Dota 2 - Slardar Build Guide

BIO
Slardar is a Slithereen, one of the Deep Ones, guardian of the great wealth of sunken cities and the ancient riches buried there. In the lightless gulf of the great ocean abysses, the Slithereen Guard carries his lure-light with him through the secret treasure rooms. Subaqueous thieves (sent into the deeps by covetous dryland sorcerers) are drawn in by its friendly glow, never to return. He is utterly loyal, and his taciturn nature hides deep knowledge of the most secret places of the sea. He rises to the shallows in spite of the pain caused him by brightness, to commit reconnaissance, to make sure no one is conspiring against the depths, and sometimes in relentless pursuit of the rare few who manage to steal off with an item from the Sunken Treasury. Because he has spent his whole life at great pressure, under tremendous weight of the sea, Slardar the Slithereen Guard is a creature of great power.

INTRODUCTION
Slardar is a melee tanker, manly initiator hero. He has the amplify damage for the enemy that makes his target loss a big amount of armor and become as squishy as a paper. As an initiator, you need to be brave on playing this hero. No need to afraid of the crowds and jump straight to it to stun them all.

PROS	CONS
Good initiator	Small  stun area
An imba armor reductor
Tanky

ROLE

Melee - Carry - Durable - Disabler - Initiator

STATS

LEVEL	1	15	25
HIT POINTS	549	1,294	2,206	SIGHT RANGE	1800 / 800
MANA	195	468	923	ATTACK RANGE	128
DAMAGE	51-59	90-90	138-146	MISSILE SPEED	N/A
ARMOR	5	10	16

ABILITIES
1. Sprint

Slardar moves significantly faster, but takes bonus damage.

MANA COST: 50/50/50/50	COOLDOWN: 40
ABILITY: NO TARGET	ADDITIONAL DAMAGE: 15%
BONUS SPEED: 20% / 27% / 33% / 40%	DURATION: 20 / 20 / 20 / 20

As Slardar has made the transition from the Deeps, it has been necessary to use his powerful tail for sprinting instead of swimming.
This is your chasing / escaping skill. Sprint like Usain Bolt!

Example:
Slardar run with maximum speed so he can easily catch his opponent

2. Slithereen Crush

Slams the ground, stunning and damaging nearby enemy land units. After the stun, the affected units are slowed.

MANA COST: 80/95/105/115	COOLDOWN: 8
ABILITY: NO TARGET	DAMAGE: PHYSICAL
DAMAGE: 50 / 100 / 150 / 200	RADIUS: 350
SLOW: 20%	SLOW DURATION: 2
STUN DURATION: 1 / 1.5 / 2 / 2.5

A swift crush of might and water breaks even the toughest of defenses.
Crushing your enemy using a massive stunning ability. You need a blink dagger to land this skill properly. Bly placing yourself inside the crowds, you will land a perfect stun to initiate a teamfight.


A perfect skill for an initiator. Look at Dragon Knight that caught off position.

3.Bash

Grants a chance that an attack will do bonus damage and stun an enemy. The duration is doubled against creeps.

ABILITY: PASSIVE	DAMAGE: MAGICAL
CHANCE: 10% / 15% / 20% / 25%	BONUS DAMAGE: 40 / 50 / 60 / 70
DURATION: 1

Thieves of the wealth of the Deep Ones meet the brutality of the Slithereen Guard in melee combat.
Get a stunning ability to your weapon. Makes you have a chance to stun your enemies in each attacks. This skill makes you become a decent late game carry for your team.

4. Amplify Damage

Reduces enemy armor to amplify physical damage and provides True Sight of the targeted unit, revealing invisibility.

MANA COST: 25/25/25	COOLDOWN: 10
ABILITY: UNIT TARGET	AFFECTS: ENEMY UNITS
ARMOR REDUCTION: 8 / 14 / 20	DURATION: 25 / 25 / 25

Slardar's lure-light reveals even the most hidden of opponents, as well as their vulnerabilities.
This is your main skill in the game. low manacost, low cooldown, and a high armor reduction for your target.
Also gives vision to the target, which means it will always reveal riki, bounty hunter, clinks, or weaver. Can also useful for tracking a hero and keep an eye on him.

Example:
This is a good skill to reveal any invisible hero. And the most important is that the amplify damage can make enemy become squishy.

SKILLBUILD

Level 1: Slithereen Crush
Level 2: Sprint
Level 3: Slithereen Crush
Level 4: Bash
Level 5: Slithereen Crush
Level 6: Amplify Damage
Level 7: Slithereen Crush
Level 8: Sprint
Level 9 : Sprint
Level 10: Sprint
Level 11: Amplify Damage
Level 12: Bash
Level 13: Bash
Level 14: Bash
Level 15: Stats
Level 16: Amplify Damage
Level 17-25: Stats

Why take Slithereen Crush  for level 1? Maybe you will need this to find a firstblood! Together with your friends, you need to lock down the enemy with this skill.

Why maxed Slithereen Crush first?  This is your main nuke, you will need this for ganking, farming, and killing on early-mid game.

Why maxed Sprint before Bash? Chasing is the main thing to consider in the mid game. With a proper chasing skill, you will catch every hero and not let them escape from your team.

STRATEGY
Early Game
Slardar, a melee carry hero that needs to be tanky and also brave to initiate a teamfight and start a clash. You are the army of the sea, make the sea proud of your strength, stay focus and hunts every hero on the game. On the laning phase you need to get last hits and deny as many as you can. By collecting lots of golds,you can buy the core items you need to be owning on the mid-late game.

Mid Game
After you get your first core item, which is a Blink Dagger, you can start ganking. Don't afraid of any hero that tries to kill you, be brave - stun him, knock him down!. Amplify damage takes a big part here, remember that on early game, your ultimate will makes the armor of your target become so low which means a lot amplify damage for him. And just by that, your team can team easier to wipe out your enemy.

Late Game
On the late game, you should already have Bkb equipped on your arm. Magic immunity is the most needed stuff in big clash on the hard late game teamfight. Stay calm and focusing on the squishy hero first, also remember to cast the amplify damage on each of your target.  The armor reductuin will multiple your damage by a lot here and it will makes will makes your team's job easier.

ITEMS BUILD

1. Power Threads
Total cost: 1400
Recipe: Gloves of Haste, Boots of Speed, Belt og Giant Strength/ Robe of Magi/ Band of Elvenskin

Active: Switch Attribute - Changes selected attribute between Strength, Agility and Intelligence. Flat movement speed bonuses from multiple pairs of boots do not stack. + 55 Movement Speed + 8 Selected Attribute   + 30 Attack Speed

Why Power Threads? It will gives you the survivability you need with it's STR boost. And also with the additional attack speed, you can trigger more stun of your 3rd skill Bash. Power threads is also a flexible shoes, you can change it to STR, AGI, or INT for what you need. STR for survivability, AGI for more attack speed, and INT for more mana.

2. Dagger
Cost: 2150

Active: Blink - Teleport to a target point up to 1200 units away. If damage is taken from an enemy hero, Blink Dagger cannot be used for 3 seconds. Manacost: 75   Cooldown: 14

Blink Dagger is a perfect item for you for initiating purpose. This item will make you can jump straint in front of your target so you can stun them immediately to make a way for your team to knock your enemy down. In a teamfight, who initiate first is usually become the winnner of the fight.

3. Black King Bar
Total cost:: 3900
Recipe: Ogre Axe, Mithril Hammer, Recipe

Active: Avatar - Grants magic immunity. Duration and cooldown decrease with each use. Some Ultimate abilities are able to disable through Black King Bar. + 10 Strength + 24 Damage     DURATION: 10/9/8/7/6/5     Cooldown: 80

Why Black King Bar?  It  gives you survivability in a teamfight because you will get magic immunity during teamfight. By magic immunity, you can keep fighting and cannot be interrupted (except from Beastmaster's Roar or Batrider's Lasso)

4. Desolator
Total cost:: 4100
Recipe: 2x Mithril Hammer, Recipe

Passive: Corruption - Your attacks reduce target's armor for 15 seconds. Desolator is a Unique Attack Modifier, and does not stack with other Unique Attack Modifiers. + 60 Damage     ARMOR REDUCTION: 7

Why Desolator?  Amplify more damage, why not?

GOOD ALLIES

1. Carries
(Example: Magine, Void, Luna)

Carries should come after you initiate a teamfight, and they should the right click and use all their skills to the enemies.

2. AoE Combo
(Example: DarkSeer, Magnus, Disruptor)

You have Silthereen Crush, this skill can be combined with their AoE skill to make massive impact to the enemy team.

Dota 2 - Witchdoctor Build Guide

BIO
A wiry silhouette hitches forward--uneven of feature and limb, bizarre of gait, relentlessly criss-crossing the battlefield in search of that vital weak point where his talents can do most good, and most harm. Whether broken or mismade it is not clear, but still, none can doubt the power carried in his twisted physique. A long staff thumps the earth as Zharvakko the Witch Doctor advances, deploying a terrifying arsenal of fetishes, hexes and spells. It is a body of magical knowledge learned and perfected over several lifetimes in the island highlands of Arktura, now wielded with precision accuracy against his enemies. Zharvakko can be your best friend or your worst enemy--healing allies and laying waste to all who oppose him.

INTRODUCTION
Witchdoctor is a heavy-support hero which is usually played to buy wards, courier, etc. He have some nice skill like a bouncing stun, AoE heal, or a deathly ward. His aoe heal can help the team to survive in a tough teamfight. and his other skills are all for damaging the enemy. His stun is also useful to stun several target.

PROS	CONS
Have a nice aoe heal	Squishy
Have a deathly ward	Doesn't have a natural escape mechanism
A nice bouncing stun	Slow
Maledict is a painful skill for the enemy	Ugly
Easy last hit animation
Relatively high attack damage for an INT hero

ROLE

Ranged - Support - Disabler

STATS

LEVEL	1	15	25
HIT POINTS	454	933	1,655	SIGHT RANGE	1800 / 800
MANA	321	840	1,477	ATTACK RANGE	600
DAMAGE	51-56	92-102	141-151	MISSILE SPEED	1200
ARMOR	1	4	8

ABILITIES
1. Paralyzing Cask

Launches a cask of paralyzing powder that ricochets between enemy units, stunning and damaging those it hits.

MANA COST: 110/120/130/140	COOLDOWN: 20/18/16/14
ABILITY: UNIT TARGET	AFFECTS: ENEMY UNITS
DAMAGE: MAGICAL	DAMAGE: 75 / 100 / 125 / 150
HERO STUN DURATION: 1 / 1 / 1 / 1	CREEP STUN DURATION: 5 / 5 / 5 / 5
HERO DAMAGE: 50 / 50 / 50 / 50	BOUNCES: 2 / 4 / 6 / 8

The Witch Doctor recycles the bones of fallen friends and foes, using the powder as part of his arsenal of charms and alchemy.
This is your main skill to disable enemy in the ganking or in a teamfight. A bouncing stun makes enemy receive short stun with some damage. If the target is just 2 heroes, it will be a perfect skill to disable these heroes, with just bouncing between 2 heroes, these 2 heroes will receive lots of damage and stuns. The more the hero in the area, the less effective this skill become.

2.Voodoo Restoration

Witch Doctor focuses his magic to heal nearby allied units.

MANA COST: 25/50/75/100	COOLDOWN: 0
ABILITY: NO TARGET, TOGGLE	MANA PER SEC: 8 / 14 / 20 / 26
RADIUS: 350 / 350 / 350 / 350	HEAL: 16 / 24 / 32 / 40

Zharvakko's hocus pocus is not limited only to hexxing his opponents and is quite adept at curing ailments.
This skill gives a massive healing aura for all allies nearby. While using this skills, all nearby allies will receive a +HP regeneration to recover his health.
While in a though teamfight, this will increase the survivability of all allies so your team can win the teamfight,
This skill does absorbs your mana for every second this skill is active. So you need many mana regeneration to be able to cast this skill frequently.

3. Maledict

Curses all enemy Heroes in an area, causing them to take damage every 4 seconds, adding bonus damage for every 100 HP lost since the curse began.

MANA COST: 120/120/120/120	COOLDOWN: 35
ABILITY: POINT TARGET	DAMAGE: MAGICAL
DAMAGE: 5 / 10 / 15 / 20	BONUS DAMAGE: 16 / 24 / 32 / 40
RADIUS: 150	DURATION: 12

Certain voodoo magics can make an enemy regret engaging the Witch Doctor.
Maledict is a skill that will deal damage in a duration the target is affected with this skill. The damage is  considered a rather high for a non ultimate skill, but unfortunately the AoE of this skill is too small, so it will be hard to cast this properly on a several target.

4. Death Ward

CHANNELED - Summons a deadly ward to attack enemy heroes. The Death Ward has attack range of 700, and attacks every .25 seconds. Level 3 Death Ward bounces once. Lasts 8 seconds. Upgradable by Aghanim's Scepter.

MANA COST: 200/200/200	COOLDOWN: 80
ABILITY: CHANNELED, POINT TARGET	DAMAGE: PHYSICAL
DAMAGE: 60 / 90 / 120	SCEPTER DAMAGE: 90 / 120 / 150

Witch Doctor performs a ritualistic dance, one that haunts the dreams of those who live to recount it.
Summon a ward that release many pulses that deals damage to a random target nearby. the damage is considered high, so the enemy receives the damage will feel some pain and can be dead quickly.
You should channel this skill and cannot move or use the other skill so this skill will keep damaging the enemy. And you also can't receive any disable from the enemy, beware of stun, hex, etc.

SKILLBUILD

Level 1: Paralyzing Cask
Level 2: Maledict
Level 3: Maledict
Level 4: Paralyzing Cask
Level 5: Maledict
Level 6: Death Ward
Level 7: Maledict
Level 8: Paralyzing Cask
Level 9 : Paralyzing Cask
Level 10: Voodoo Restoration
Level 11: Death Ward
Level 12: Voodoo Restoration
Level 13: Voodoo Restoration
Level 14: Voodoo Restoration
Level 15: Stats
Level 16: Death Ward
Level 17-25: Stats

Why take Paralyzing Cask for level 1? You need Paralyzing Cask to escape if enemy wants to get firstblood by killing you, so you can stun them and run for your life. And also if your  team are the one who wants to get the firstblood, this skill will disable enemy to helps your team harass the target.

Why maxed Maledict first?  This is your main nuke, you will need this for ganking and killing on early mid game.

Why maxed Paralyzing Cask before Voodoo Restoration?  Paralyzing Cask is more important that the Voodoo restoration because the stun is needed for the gank and also in a teamfight, to disable and give some damage. And the Voodoo Restoration will be useful for late game teamfight where team needs the survivability in a though teamfight so you will provide the team with a +HP regeneration and make them be able to survive in every teamfight.

STRATEGY
Early Game
Usually Witch Doctor is playing a support role for the team. By buying the courier you will support your team with the courier to helps all members transport their items. And by buying some wards you will helps the team to avoid being ganked by the enemy. Wards is also useful to control the rune, to check if there any rune and what rune is appearing on the rune spot.

Witch doctor is usually playing as a lane-support. This job requires you to deny the creeps and makes enemy don't get their last hits. Don't worry about the last hits, because your carry will take care of it.

If enemy comes near and wants to get some kills, you need to cast Paralyzing cask immeidately and run for your life. And you can harass the enemy once in a while using the right click and also using the Maledict. If you harass the enemy correctly, they will have a hard time in the lane so your team will lead in farming.

Mid Game
Mid game is the time for ganking. You need to roam around the map and find enemies in other lanes. So you can gank them and get some kills to benefit your team. Before the gank, ask your friend in the lane to help you gank the enemy. And the you come and use the Paralyzing cast to disable the target, and the you can use the Maledict and the the last, is you should use your ultimate and deal malicious damage to your enemy.
And then after you finished casting your ultimate, if you already increased a Voodoo Restoration, you can use it to recover your team's health.

Late Game
On the late game teamfight, you must do your part that is:
1. Casting a Voodooo restoration before the teamfight, this skill will keeps your team survive during the though teamfight.
2. Cast  the Paralyzing Cask and let the stun bounce around the enemy
3. Cast the Maledict to possible target nearby
4. Channel the ward, and let your team fight will you holding your ward of death, and let your ward seeks enemy heroes and deal a massive damage in the teamfight.

That's it, you should follow the step carefully and click carefully during the teamfight. Keep calm and win the teamfight.

ITEMS BUILD

1. You need to buy courier and wards for the team. If someone already done it, you don't need to.
Courier: 150
Wards: 150

Courier: Transfer items from shop to heroes Wards: Scouting some important area to protect teams against some ganks.

You are the kind of hero that doesn't need lots of farm, so you will have golds to buy this kind of items. Your team will rely on courier and wards to become good. Courier will faster item transportation, and wards is needed to avoid enemy's gank.

2. Arcane Boots
Total cost: 1450
Recipe: Boots of Speed + Energy Booster

Active: Replenish Mana - Restores mana in an area around the hero. Flat movement speed bonuses from multiple pairs of boots do not stack. + 60 Movement Speed + 250 Mana MANA RESTORED: 135 Mana Needed: 25    Cooldown: 55

Why Arcane Boots? You have spammable skills, so you need more mana, with this item, your mana will be fulfilled. And also to replenish mana of the team.

3. Drum of Endurance
Total Cost: 1725
Recipe: Bracer + Robe of Magi + Recipe

Active: Endurance - Gives bonus +10 attack and +10% movement speed to surrounding allies. Passive: Swiftness Aura - Gives bonus attack and movement speed to surrounding allies. Multiple instances of Swiftness Aura do not stack. + 9 All Attributes + 3 Damage    AURA ATTACK SPEED: 5    AURA MOVE SPEED: 5% Cooldown: 30

Why Drums? It will gives you survivability with + STR and gives your team  +Attack speed and +Movement Speed that will benefit your whole team.

4. Black King Bar
Total cost:: 3900
Recipe: Ogre Axe, Mithril Hammer, Recipe

Active: Avatar - Grants magic immunity. Duration and cooldown decrease with each use. Some Ultimate abilities are able to disable through Black King Bar. + 10 Strength + 24 Damage     DURATION: 10/9/8/7/6/5     Cooldown: 80

Why Black King Bar? It will makes you can channel your ultimate without getting interrupted. It  also gives you survivability in a teamfight because you will get magic immunity during teamfight.

5.  Schyte of Vyse
Total cost: 5675
Recipe: Mystic Staff + Ultimate Orb + Void Stone

Active: Hex - Turns a target unit into a harmless critter for 3.5 seconds. Destroys illusions. + 10 Strength   + 10 Agility  + 35 Intelligence + 150% Mana Regeneration Manacost: 100   Cooldown: 35

Why Schyte of Vyse? Very good item to initiate a teamfight. You are considered a support, and this item is one of the best supportive items you can get. Or  you can use this to defend against somebody by making him become chicken.

6. Aghanim Scepter

Passive: Ultimate Upgrade - Upgrades the ultimates of certain heroes. + 10 All Attributes   + 200 Health   + 150 Mana

Why Aghanim's Scepter? Increase damages from your ultimate. Nice item to win a teamfight. And this item also gives you more survivability because of its + HP.

If you need a better initiation you can buy

7. Blink Dagger
Cost: 2150

Active: Blink - Teleport to a target point up to 1200 units away. If damage is taken from an enemy hero, Blink Dagger cannot be used for 3 seconds. Manacost: 75   Cooldown: 14

Blink Dagger is a perfect item for initiating purpose.

GOOD ALLIES
1. Carries
(Example: Magine, Void, Luna)

Carries should come after you initiate a teamfight, and they should the right click and use all their skills to the enemies.

BAD ENEMIES
1. High Instant Damage
(Example: Lina, Lion, Tiny)

They are all have deathly instant damage. And because you are squishy, you can instantly die, beware of them.

2. Disabler
(Example: (Lion, Tiny, Rhasta)

Beware of them, they can cancel your channeling ultimate, you need BkB to counter their disanle.

Dota 2 - Nyx Assassin Build Guide

BIO
Deep in the Archive of Ultimyr, shelved between scholarly treatises on dragon cladistics and books of untranslatable spells, there is an ancient tome of entomological curiosities. Compiled by scholars, the book describes the telepathic talents of the zealot scarab, a strange species of social insect with abilities unique to all the seven planes.

Unlike most grubs of his colony, Nyx Assassin did not arise from metamorphosis with the plodding thoughts and blunted appendages common to the worker caste of his kind. For his was a special transformation, guided by the grace of Nyx. He was the chosen one, selected from the many and anointed with an extract of the queen goddess herself. Not all survive the dark blessing of the queen's chamber, but he emerged with a penetrating mind, and dagger-like claws--his razor sharp mandibles raking the air while his thoughts projected directly into the minds of those around him. Of all zealot scarabs, he alone was selected for the highest calling. After his metamorphosis, he was reborn, by grace of Nyx, with abilities which shaped him for one thing and one thing only: to kill in the name of his goddess.

INTRODUCTION
Nyx Assassin is the real ganker. All his skills are designed for ganking. He have invisibility. He have stun, and usually, he is equipped with Dagon for instant kill. He is capable of fast killing with just about 5 seconds. He is one of the best solo kill hero for early-mid game. He also have mana burn that can reduce enemy's mana and make enemy can't spam their skills. If you are a big fans of fast killing, then choose him!

PROS	CONS
Can fast solo kill on early-mid game	Not so strong on late game
Have a stun	Not so helpful on the teamfight
Can control the lane well	Fragile
A decent stats gain	Weak if become silenced

ROLE

Melee - Disabler - Nuker

STATS

LEVEL	1	15	25
HIT POINTS	492	1,024	1,784	SIGHT RANGE	1800 / 800
MANA	234	616	1,149	ATTACK RANGE	128
DAMAGE	49-53	80-84	122-126	MISSILE SPEED	N/A
ARMOR	4	8	14

ABILITIES
1. Impale

Rock spikes burst from the earth along a straight path. Enemy units are hurled into the air, then are stunned and take damage when they fall.

MANA COST: 95/115/135/155	COOLDOWN: 11
ABILITY: UNIT TARGET, POINT TARGET	AFFECTS: ENEMY UNITS
DAMAGE: MAGICAL	DAMAGE: 80 / 140 / 200 / 260
STUN DURATION: 1.27 / 1.77 / 2.27 / 2.77

All zealot scarabs possess intimate knowledge of underground pathways, using them to their advantage.
This is your main skill for anything. Like: farming, ganking, and teamfights. You can farm using this because it can deals damage to several creeps. And you can use this in ganking because it will stun / disable your target. And in the teamfight, you can use this to disable the enemies. Stun is important for teamfight. With the enemy stunned, your team can hit them comfortably.

2. Mana Burn

Destroys the target hero's mana equal to a multiplier of its Intelligence, and deals damage equal to the mana burned.

MANA COST: 130/120/110/100	COOLDOWN: 28/20/12/4
ABILITY: UNIT TARGET	AFFECTS: ENEMY HEROES
DAMAGE: MAGICAL	INTELLIGENCE MULTIPLIER: 5

The tome in Ultimyr describes one scarab with the ability eat away at the mind of lesser beings.
Burn enemy's mana based on his Intelligence stats. With the increasing of this skill, it's just decrease the cooldown and not the multiplier, but remember that on late game, the INT stats of your enemy is high and of course the damage will be high too.

3. Spiked Carapace

When activated, Spiked Carapace reflects and negates damage dealt to Nyx Assassin (max once from each source), as well as stunning the source of the damage.

MANA COST: 40/40/40/40	COOLDOWN: 14
ABILITY: NO TARGET	DAMAGE: PURE
REFLECT DURATION: 2.75	STUN DURATION: 0.6 / 1.2 / 1.8 / 2.4

While their carapace is relatively thin, it's guarded by a retractable field of razor-sharp spikes.
This skill is your defense skill, with this skill, you can relfect enemy's damage and stun your attacker. You need to activate this and if the enemy attacks you, he will receive his own damage and being stunned. A good skill to defend yourself to not being damaged or killed by enemies in ganks or in teamfights.

4. Vendetta

Allows Nyx Assassin to become invisible and gain a speed bonus. If Nyx Assassin attacks to break the invisibility, massive bonus damage is dealt with the attack.

MANA COST: 160/210/260	COOLDOWN: 70/60/50
ABILITY: NO TARGET	DAMAGE: PHYSICAL
DURATION: 20 / 35 / 50	MOVEMENT SPEED: 16% / 18% / 20%
CONTOH: DIHAPUS7	BONUS DAMAGE: 250 / 400 / 550

The scarab kills for the glory of his queen.
This skill is your main ganking skill. You become invisible and ready to find the weak opponent. This skill gives you bonus attack for your first blow from your invisibility. Very nice to start a solo kill, remember that you are one of the best solo killer in DotA. First is to use this skill, and then followed by your stun and mana burn and then use Dagon and right click until your target dies.

SKILLBUILD

Level 1: Impale
Level 2: Mana Burn
Level 3: Impale
Level 4: Spiked Carapace
Level 5: Impale
Level 6: Vendetta
Level 7: Impale
Level 8: Mana Burn
Level 9 : Mana Burn
Level 10: Mana Burn
Level 11: Vendetta
Level 12: Spiked Carapace
Level 13: Spiked Carapace
Level 14: Spiked Carapace
Level 15: Stats
Level 16: Vendetta
Level 17-25: Stats

Why take Impale for level 1? You need Impale to escape if enemy wants to get firstblood by killing you. You need to stun them and run.
Or you can use this to get firstblood too, stun them and attack together with your friend.

Why maxed Impale first?  This is your main nuke, you will need this for ganking, farming, and killing or early mid game.

Why maxed Mana Burn before Spiked Carapace? You need your Mana Burn to be spammable. If this skill is already on level 4, you can do 2-3 times Mana Burn per teamfight.
And spiked carapace level 1 is enough for early-mid game, and can be maxed late for your defense in the teamfight.

STRATEGY
Early Game
On early game, if you are a support for your carry, try not to steal the last hit from him. Deny is good, denying will reduce the gold and exp from the enemy. Use your Mana Burn once in a while, this will reduce enemy's mana and make them can't spam their skill. Impale is useful for stun your enemies. This can be use to find the firstblood or just to harass them. Impale also can be used to farm some creeps. Use Spiked Carapace to defend against enemy's attack. If they are chasing you, immediately activate the Spiked Carapace and make them stunned.

Mid Game
This is your time to shine. I believe you already have the Vandetta here. With this skill, you will gank everybody and will find some kills on the mid game. This kind of kills is important because if your team is leading since mid game, it will be likely to be owning on the late game.
Choose 1 target to start with. Ask your friend to help you in this gank. And then use the Vandetta - walk to your target - and stab your target. And after that you can use Impale, and mana Burn. Better if you have Dagon because it will guarantee the kill for you.
Mid game also is the time for the first few teamfights. Always try to use the Impale on al least 2 enemies. This will disable 40% power of the enemy.
Use Mana Burn to INT hero and hope he will loss many of his mana.
Remember to always right click one enemy and make sure you are useful in the teamfight.

Late Game
On late game, your power is not as powerful as mid game. But still you should doing something for your team. Impale is your main skill here. You should try to get at least 2 enemies in your impale.
With the right Impale, your team can get the advantage in the crowds of teamfight, like: they are all disabled and your team can easily harass and kill them.
Remmeber that now your Mana Burn has reaching it's maximum potential and now deal tons of damage to enemies. And the low cooldown is important for you to deal lots of damages in the teamfight.
Cast this skill to the INT hero of the enemy. They (INT hero) have high INT and will feel the more pain of this skill.
Also use Spiked Carapace to defend and this skill will also stun one of the enemy.
After winning a teamfight your team have 2 options, to push or to Rosh. Thaose 2 options is both good choice. Just need to choose it base on your leader or based on vote.

ITEM BUILD 
1. Boots Choice

Power Threads Total cost: 1400 Recipe: Gloves of Haste, Boots of Speed, Belt og Giant Strength/ Robe of Magi/ Band of Elvenskin	Arcane Boots Total cost: 1450 Recipe: Boots of Speed + Energy Booster
Active: Switch Attribute - Changes selected attribute between Strength, Agility and Intelligence. Flat movement speed bonuses from multiple pairs of boots do not stack. + 55 Movement Speed + 8 Selected Attribute + 30 Attack Speed	Active: Replenish Mana Restores mana in an area around the hero. Flat movement speed bonuses from multiple pairs of boots do not stack. + 60 Movement Speed + 250 Mana MANA RESTORED: 135 Cooldown: 25
Why Power Threads? It will gives you attack speed, thats what you need, attack speed and damages. Power threads is laso a flexible shoes, you can change it to STR, AGI, or INT for what you need. STR for Survivability, AGI for damage and attack speed, and INT for mana.	Why Arcane Boots? It will meake your skill Impale spammable in every situation in early-mid game (stunning foes, farming, harassing). Arcane Boots also restores mana for allied heroes.

2. Dagon
Total cost:: 5750
Recipe: Crystalis + Demon Edge + Recipe

Active: Energy Burst - Burst of damage to target enemy unit. Upgradable. + 13/15/17/19/21 Intelligence + 3 All Attributes + 9 Damage BURST DAMAGE: 400/500/600/700/800 Manacost: 180 / 160 / 140 / 120 / 100 Cooldown: 35

Why Dagon?
With this, your instant kill potential will be maximized. Use backstab from your ultimate, Impale, Mana Burn and then after that you can use the Dagon for finishing.

If you are a big fans of turtling and counter attacking, this item is fit for your style:
3. Blade Mail
Total cost: 2200
Recipe: Broadsword + Chainmail + Robe of Magi

Active: Damage Return - Returns any damage you take to the unit that dealt the damage. Lasts 4.5 seconds.  + 22 Damage   + 5 Armor   + 10 Intelligence Manacost: 25   Cooldown; 22

Why Blade Mail? You already have the Spiked Carapace, and with this item, your counter attack ability will reach the maximum potential.
After you initiate a teamfight, your opponent is likely to target you because they will hate you. So you can reflect their damege using this item.

A considered good Late Game Item
4. Ethereal Blade
Total Cost: 4900
Recipe: Eaglesong + Ghost Scepter

Active: Ether Blast - Converts you and your target into ethereal form. Target unit is slowed and cannot attack or be attacked, and takes 2.0x of your primary attribute + 75 as damage. + 40 Agility + 10 Strength   + 10 Intelligence   DURATION: 3 Manacost: 150   Cooldown: 30

Why Ethereal Blade? It will boost your magical damage, first it will deal damage from Ethereal Blade itself, then it will amplify the magical damage from Impale, Mana Burn, and Dagon.

DPS Items 
After stabbing your opponent, you need the physical damage to make sure you get the kill, with DPS items it will become true.
5. Desolator
Total cost: 5675
Recipe: 2x Mithrill Hammer + Recipe

Passive: Corruption - Your attacks reduce target's armor. Desolator is a Unique Attack Modifier, and does not stack with other Unique Attack Modifiers. + 60 Damage     ARMOR REDUCTION: 6

Why Desolator? Increase every damage for your target because this item reduces enemy's armor. Your damage like BackStab Damage, Impale Damage or Mana Burn damage will be amplified.

6. For full teamfight items you should buy this items:

 + + DPS Items

Bkb is useful to defend yourself against enemy's magical attacks. And Battlefury is useful for dealing splashing damage to all enemies in the teamfight.

Choose your own DPS items.As a carry, damage is your priority.

	DAEDLUS	MKB	ABYSSAL	DIVINE RAPIER
DAMAGE	81	88	100	300
ABILITY	CRITICAL 2.4	100% HITS	STUN	NONE
CHANCE	25%	MINIBASH 35% DAMAGE: 100	MELEE: 25 % RANGE: 10%	NONE
OTHER	NONE	+15 ATK SPEED	+10 STRENGTH 2 SEC STUN	NONE

DAEDLUS: Daedlus will provide you with a powerful Critical Strike.

MKB: 100% HITRATE will helps you to fight some evasion heroes like Mortred or Rikimaru.

ABYSSAL: A decent +100 damage and makes you become a Stunner

RAPIER: Be careful if you choose to hold this. 1 hit kill is a sure. 2-3 hits is the worst. Need protection from your support. Must come if the situation is clear safe for you to come inside the teamfight. Need some disabler friends.

And for the late game you should buy these items:

Heart of Tarrasque is so good for survivability on the late game and Boots of Travel on la,te game is a must item because you will need to always change lane quickly for defend or attack.

GOOD ALLIES

1. Supportive Heroes
(Example: Shadow Shaman, Crystal Maiden, Vengeful Spirit)

Supportive heroes have disables and nice skill to helps carries and makes a teamfight easier for the team.

Shadow shaman: Have hex, shackles, and wards to helps you disables enemy

Crystal Maiden: Have 1 lockdown, 1 slower, and have +mana regeneration

Vengeful Spirit: Have stun, swap, and +damage aura

2. Synergy Hero - Armor Reductor
(Example: Slardar, Shadow Fiend, Vengeful Spirit)

They have skill that reduce enemy's armor, very synergy with your solo-kill style because you will be able to solo kill your target easily because your damage will be amplified.

BAD ENEMIES
1. True Sight Heroes
(Slardar, Gondar)

 Slardar and Gondar have a true sight ability that makes your team to be visible, beware of these two heroes.

2. Gem of Tur Sight, Sentry Ward or Dust of Appearance

 Those items can reveal your team, so be careful with the holder of those items.


3. Silence + Damage
(Example: Doom, Bloodseeker, Drow Ranger)

 They have DPS + Silence that makes you have a hard time.

Your target for the Mana Burn for the late game
for the late game, very recommended for you to target the high INT hero because it will deal more damage.
(Example: Lina, Lion, CM)