Arthas

Quest: Root enemy Heroes with Howling Blast. Reward: After Rooting 5 Heroes, Howling Blast's cooldown is reduced by 2 seconds. Reward: After Rooting 10 Heroes, Howling Blast's range is increased by 20%. Reward: After Rooting 20 Heroes, Howling Blast also Roots enemies in its path.

Quest: Use Frostmourne Hungers on an enemy Hero. Reward: Increases the Mana it restores by 4, to a maximum of 40, and its damage by 4.

Every 5 seconds, gain 75 Physical Armor against the next enemy Hero Basic Attack, reducing the damage taken by 75%. Stores up to 3 charges.

Increase the range of Death Coil by 30%, reduce its cooldown by 3 seconds, and if Death Coil is used on an enemy Hero, its Mana cost is refunded.

Frozen Tempest Mana cost reduced by 2 per second. Quest: Damage enemy Heroes with Frozen Tempest. Reward: After damaging enemy Heroes 150 times with Frozen Tempest, the Movement and Attack Speed Slows of Frozen Tempest last an extra 1.5 seconds against enemy Heroes.

Gain 3% Attack Speed for 1.5 seconds every time a Hero is damaged by Frozen Tempest, to a maximum of 60%.

Gain the healing effect of Death Coil even when used on enemies. If Death Coil is used on Arthas, it heals for an additional 50% bonus healing.

Every 3rd Basic Attack heals Arthas for 5% of his max Health.

Activate to gain 25 Armor, reducing damage taken by 25%, and reduce the duration of Stuns, Slows, and Roots against Arthas by 75% for 3 seconds.

Summons Ghouls that last 15 seconds and atttack for 20 (+4% per level) damage. Sacrifice Ghouls to heal for 267 (+4% per level) Health.

Deals 230 (+4% per level) damage and Slows enemies by 60% for 4 seconds. Also disables Minions, Mercenaries, Monsters and Structures for 20 seconds.

Enemy Heroes hit by Howling Blast have their Armor reduced by 15 for 4 seconds.

Each second an enemy is damaged by Frozen Tempest, it deals 12.5% bonus damage, up to a 50% bonus.

Reduces Frostmourne Hungers' cooldown by 2 seconds. Frostmourne Hungers also Slows the enemy by 50% for 1.5 seconds.

Death Coil deals more damage and heals more the lower Arthas's current Health is, to a maximum of 100% bonus damage and healing.

Enemy Heroes that remain within Frozen Tempest for 3 seconds are Rooted for 1.25 seconds. This effect can only happen once every 10 seconds.

Increases the amount of Basic Attacks empowered by Frostmourne Hungers to 2.

3 additional Ghouls are created. Ghouls deal 50% more damage, heal for an additional 50%, and last 5 seconds longer.

Sindragosa flies twice as far. Enemy Heroes are Rooted for 2.5 seconds, and then Slowed by 60% for 4 seconds.

Increases Movement Speed by 10%. Frozen Tempest's maximum Movement Speed Slow and Attack Speed Slow increased from 40% to 60%

Activate to make Arthas immune to Spell Damage for 4 seconds and heal Arthas for 25% of the damage prevented.