Bosses
Bloody Butcher
Greater boss near Gea Kul. Hoard opens with a Greater Lair Key.
Where and how
His lair is near Gea Kul in Kehjistan. He is a permanent greater boss in both the seasonal and eternal realms. The hoard takes one Greater Lair Key.
Unique pool
Mythic drops from this hoard come from this pool. See Lair bosses for how mythics work.
Rage of Harrogath (Barbarian) can drop here as well as from Duriel.