Gul'dan

Quest: Hit 30 enemy Heroes with Fel Flame. Reward: Fel Flame's radius is increased by 10%.

Increases the cast range of Drain Life by 25% and the healing provided by Regen Globes by 50%. Quest: Gather 15 Regen Globes. Reward: Basic Ability Mana costs are permanently reduced by 20.

Quest: Hit 40 enemy Heroes with Corruption. Reward: After the third strike, Corruption strikes 3 times in the opposite direction.

Drain Life's cooldown recharges 100% faster while it is channeling. If an enemy dies while under the effect of Drain Life, the cooldown is instantly refreshed.

Increase the Mana restored by Life Tap to 40%.

Instantly kill an enemy Minion and heal for 365 (+4% per level) Health. Stores up to 3 charges.

Each enemy Hero hit with Fel Flame reduces the cooldown of Corruption by 1.75 seconds.

Drain Life deals 50% more damage and Slows the target's Movement Speed by 40%.

Increases Spell Power by 15% but reduces healing received from allies by 25%.

After 0.5 seconds, deal 120 (+4% per level) damage to enemy Heroes in an area and Fear them for 2 seconds. While Feared, Heroes are Silenced and are forced to run away from Horrify's center.

After 1.5 seconds, summon a rain of meteors in an area for 7 seconds. Each meteor deals 165 (+4% per level) damage in a small area.

Hitting an enemy Hero with Fel Flame grants 50 Spell Armor for 2.5 seconds, reducing Ability Damage taken by 50%.

Drain Life heals for 75% more Health when used on Heroes.

Gul'dan's maximum Health is permanently increased by 40% but his respawn time is increased by 10 seconds.

Activate to heal for 25% of Gul'dan's maximum Health.

Fel Flame's damage is increased by 12% for 5 seconds when hitting an enemy Hero. This can stack up to 5 times.

Corruption deals an additional 78 (+4% per level) damage on impact. If the enemy is hit by all three strikes, the third strike deals 268 (+4% per level) damage.

Dealing 600 (+4% per level) damage to enemy Heroes causes the next cast of Life Tap to cost no Health and grant Gul'dan 25% Spell Power for 5 seconds.

Increases the duration of Horrify by 1 second, and while Feared, enemies lose 20 Armor, causing them to take 20% increased damage.

Rain of Destruction slows enemies Movement Speed by 90% for 0.5 seconds.

Summon a Demonic Circle at Gul'dan's location. Activate to teleport Gul'dan to the Demonic Circle.