- Main article: Yogg-Saron (tactics)
|Brain of Yogg-Saron|
|Race||Old god (Uncategorized)|
|Location||The Prison of Yogg-Saron, Ulduar|
The Brain of Yogg-Saron is engaged by players during Phase 2 of the encounter with Yogg-Saron. Damaging the brain to 30% of its health lowers Yogg-Saron's shield and begins Phase 3.