Draenei Elite Assassin

The Draenei Elite Assassin is a draenei unit that helped Kael'thas and Illidan kill Butcher and the Master of Pain in the Black Temple in Outland. They were accompanied by Draenei Saboteurs and Akama the Elder Sage. They are found in Warcraft III Frozen Throne Expansion Human Campaign.

Abilities from Warcraft III

 * Abilities
 * Permanent Invisibility (only becomes visible while attacking)
 * Howl of Terror (AoE around caster that reduces enemy chance to hit)
 * Critical Strike (sometimes this unit does much more damage on its attacks)