"rpg, boss battle, difficulty: impossible, survival"
introduction
Doors/rifts to the next stage only unlock after you defeat the current level's boss
don't take any adversary for granted! keep heals stocked
use strategy and stealth to defeat some enemies!
Doors/rifts to the next stage only unlock after you defeat the current level's boss
Search high and low for the entrance to Secret Levels
use strategy and stealth to defeat some enemies!