Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Aendisea's Bane	Defeat Aendisea's Bane.
Avan	Unknown.
Beast of the Valley	Defeat the Beast of the Valley.
Bite Sava	Unknown.
Brutal Mazes	Complete the brutal mazes.
Death's Advocate	Defeat Death's Advocate.
Easthaven	Unknown.
Enigma	Defeat Enigma.
Fulacks the Ugly	Defeat Fulacks the Ugly.
God Brutal of Guard	Defeat God Brutal of Guard.
God Brutal of The Wild	Defeat God Brutal of The Wild.
God of Brutals	Defeat God of Brutals.
Hunter Killer	Defeat the Hunter Killer.
Kamengrad	Unknown.
Koccuburry Cave Dweller	Defeat the Koccuburry Cave Dweller.
Lernaean	Defeat Lernaean.
Mother of Wolves	Defeat the Mother of Wolves.
Rat Tree	Defeat the being in the Rat Tree.
Refuse Sava	Unknown.
Spirit Brothers	Find and defeat the three spirit brothers.
Styx's Servant	Defeat Styx's Servant.
Survivor	Unknown.
The Hunt for Sava	Complete the expansion "The Hunt for Sava".
The Rat King	Defeat The Rat King.
The Seals of Gont	Open the seals of Gont.
The Tusk Trio	Defeat The Tusk Trio.
World Cornerstones	Find the world cornerstones.
Xaphxan The Invisble	Defeat Xaphxan The Invisble.