Anub'arak, Nerubian Assassin

Slams the ground with massive claws, shooting spiked tendrils out in a straight line, dealing damage and hurling enemy ground units into the air in their wake.

Level 1 - 80 damage, .75 second stun.
Level 2 - 160 damage, 1.25 second stun.
Level 3 - 230 damage, 1.75 second stun.
Level 4 - 300 damage, 2.25 second stun.

Cooldown: 11 seconds.

Level 1: 95 mana, 11 sec cooldown.
Level 2: 115 mana, 11 sec cooldown.
Level 3: 135 mana, 11 sec cooldown.
Level 4: 155 mana, 11 sec cooldown.

Sends a bolt of negative energy that burns a target enemy unit's mana. Burned mana combusts, dealing damage to the target equal to the amount of mana burned.

Level 1 - Burns up to 70 mana.
Level 2 - Burns up to 120 mana.
Level 3 - Burns up to 185 mana.
Level 4 - Burns up to 260 mana.

Cooldown: 7 seconds.

Level 1: 65 mana, 7 sec cooldown.
Level 2: 85 mana, 7 sec cooldown.
Level 3: 100 mana, 7 sec cooldown.
Level 4: 115 mana, 7 sec cooldown.

The Nerubian Assassin forms barbed layers of chitinous armor that increases its defense and returns damage to enemy melee attackers.

Level 1 - 10% damage returned, 2 bonus armor.
Level 2 - 20% damage returned, 4 bonus armor.
Level 3 - 30% damage returned, 6 bonus armor.
Level 4 - 40% damage returned, 8 bonus armor.

Passive

The Nerubian Assassin turns invisible for a short period of time, and can break his invisibility with an incredibly damaging attack.

Level 1 - Deals 225 backstab damage. 10% movement speed.
Level 2 - Deals 375 backstab damage. 15% movement speed.
Level 3 - Deals 525 backstab damage. 20% movement speed.

Cooldown: 90/75/60 seconds.

Level 1: 160 mana, 90 sec cooldown.
Level 2: 210 mana, 75 sec cooldown.
Level 3: 260 mana, 60 sec cooldown.