Bosses

Uber Bosses
Uber Damien is found in Fallen Inoya. To summon Uber Damien, you need to collect the six Prime Evil Artifacts and take them to Um and he will open a portal to Fallen Inoya.

Uber Reaper is found in the Shadow Realm. Shadow Realms are random spawned zones throughout maps on Hell Difficulty. You will need 10 Dimensional Shards to enter the Reaper's Breach.

War God Sung Lee is found in the Eternal Battlefields. It can be accessed by paying 50 Battle Fragments to the Eternal Battlefields portal that spawn randomly throughout maps in Hell difficulty.

King Rakhul is found after completing quest for completing Chaos Towers.