Illidan Build Guide “Now I am complete!”

Illidan is a nimble melee Offlaner. Very fast attacks, several gap closers, and the ability to significantly reduce his own Cooldowns through Betrayer's Thirst make him extremely difficult to outmaneuver. His polarized 'feast-or-famine' nature tends to make him the center of attention for both allies and opponents — for better or for worse.

Strengths

• Nearly impossible to escape from
• Excellent duelist
• May quickly and safely solo claim Mercenary Camps
• No reliance on Mana and excellent self sustain
• Global presence with The Hunt
• Exceptional against Heroes reliant on Basic Attacks, such as Raynor or Greymane

Weaknesses

• Requires a team composition that revolves around supporting him to excel
• Exceptionally vulnerable to crowd control due Basic Attack reliance
• Limited sieging potential
• Very weak when playing from behind
• Limited waveclear
• Extremely vulnerable to counter picks

Universal Build

Recommended

Level 1

Level 4

Level 7

Level 10

Level 13 ? ?

Level 16 ?

Level 20 ? ?

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Illidan's Universal Build is a versatile option, offering a mix of good PvE and PvP capabilities for any match. However, it is not as effective as other builds in the late game. To compensate you should play more aggressively by Level 4, as the combination of Immolation and Hunter's Onslaught allows Illidan to become much more aggressive, thanks to its excellent self-sustain.

Basic Attacks Build

Advanced

Level 1 ?

Level 4

Level 7

Level 10

Level 13 ? ?

Level 16 ?

Level 20

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The Basic Attacks build focuses on improving Illidan's team fighting presence. It is commonly picked as a means of punishing team compositions that lack the tools to hinder Illidan's Basic Attacks. Key Talents include Metamorphosis, the Heroic Ability core to the build, Battered Assault, which significantly improves Illidan's team fighting damage output, and Demonic Form, which further increases Illidan's damage output and makes crowd control ineffective.

Split Build

Situational

Level 1

Level 4

Level 7

Level 10 ?

Level 13 ? ?

Level 16

Level 20 ? ?

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The Split Build is the weakest in the early game, but after completing Unending Hatred and Unbound's quests, it becomes extremely powerful. Focused on maximum single-target damage, Illidan can easily win fights when outnumbered in the late game.

Since Illidan may be split-pushing in most of the game, the recommended Heroic Ability is The Hunt. However, if you're certain the game will not end soon, consider Metamorphosis and Demonic Form instead. These will significantly boosting your damage, mobility, and resistance to crowd control.

Dive Build

Situational

Level 1

Level 4

Level 7 ?

Level 10

Level 13

Level 16

Level 20 ? ?

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The Dive Build lets Illidan deal damage even when blinded, unlike other builds that struggle with blinds. Its Level 7 talent makes it easy to chase fast Heroes, as enemies cannot avoid Dive. However, it relies heavily on Level 16, when Marked for Death becomes his main damage source.

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Illidan synergizes with

Illidan strives when played with any Hero that can increase his survivability, be it through Shielding effects, Armor, or raw instant healing. He is typically known to requires allied Heroes known as "enablers" to be at his best.

Medivh is one of the best enablers for Illidan, due to how he covers Illidan's weaknesses to burst damage while he is under crowd control. Additionally, it is important to not use Force of Will during Evasion, since the overlap of 2 defensive Abilities may considerably cripple Illidan's survivability. We recommend using Medivh's shield right after Evasion runs out, so Illidan can reset his cooldowns while protected.

Illidan is countered by

Illidan's reliance on the healing and Cooldown reduction provided by Betrayer's Thirst makes him particularly vulnerable to effects that can reduce his attack speed or otherwise stop him from attacking. Furthermore, his ability to split push can often be matched by other Heroes to even out any advantage generated by this strategy. Although Illidan can be countered by many Heroes, his design makes him very oppressive when poorly counterpicked.

Illidan's stronger maps

Illidan's average maps

Illidan's weaker maps

The Hunt makes Illidan particularly effective on larger Maps that feature multiple Objectives that must be contested, as it allows him to effectively soak and push without giving up potential team fighting presence, as would other Heroes. Illidan also strives on Maps that feature several Mercenary Camps for him to claim, as he does so painlessly, and tends to be weak in lane. Since Illidan has a very good chase potential, he also benefits from maps where fights happens far from the lane, allowing him to easily reach the opposing defenseless backline

• Dive always positions you directly behind your target; use this to body block and avoid area of effect Abilities.
• With Friend or Foe, Dive can be utilized as an engage or escape tool. It is interesting to use it towards the enemy team, to proceed with Sweeping Strike to reach your target, resetting the Cooldown of Dive, to use it to retreat when enemies turn their focus on you.
• Illidan can use walls to retreat with Dive, to heal himself, or to reset his Cooldowns. It is recommended to not break them, since those can help you a lot.
• Using Dive when capturing Mercenaries will only slow down the speed in which they are released. Only Sweeping Strike and Evasion should be used in Mercenary Camps.
• Sweeping Strike does not require a target, unlike Dive, making it useful as an escape tool.
• Evasion also mitigates the damage from Structures and other non-Heroic entities.
• Metamorphosis's short Immaterial effect can and should optimally be used to quickly dodge Abilities.
• Always use your Basic Attacks, even when out of combat, so as to heal and reduce the Cooldowns of your Abilities with Betrayer's Thirst.
• The Hunt's near-global range opens up opportunities to split push.
• Illidan can ignore Core damage with Evasion and Betrayer's Thirst. You can go for the core even with enemies defending it, by using Sweeping Strike and Dive to move away from opposing Heroes while also finishing the game.

Illidan's general playstyle is typically defined by the Map and draft at hand. On larger Maps where Mercenary Camps are plentiful, such as Garden of Terror and Warhead Junction, a The Hunt-oriented playstyle may be preferred, particularly if the opponent's team composition features other global Heroes such as Brightwing, Dehaka, or Falstad. Under fortuitous circumstances, it may be possible to build a team composition around Illidan by early-picking some of his enablers, such as Medivh or Abathur, with opponents failing to properly plan for a late Illidan pick. This opens up the possibility of using Metamorphosis to become extremely oppressive.