Alone in the Darkness (25 player)

Alone in the Darkness (25 player) was a dungeon & raids achievement earned for defeating Yogg-Saron on 25-player mode without the help of any Watchers. Defeating Yogg-Saron under these circumstances will also cause him to drop Mimiron's Head.

Achievement series

 * 1) Three Lights in the Darkness (25 player)
 * 2) Two Lights in the Darkness (25 player)
 * 3) One Light in the Darkness (25 player)
 * 4) Alone in the Darkness (25 player)