Kirin Tor Familiar is a non-combat pet that is obtained by completing the achievement. It is given by , last seen in Kirin'Var Village in Outland.
For strategy information, see and The Schools of Arcane Magic.
The idle animations for this companion are similar to the voidwalker's with the addition of spastic arcane explosions periodically. Unlike the laser beam from Sleepy Willy's eye, there does not appear to be an obvious trigger.