Get the Key Can only be completed once Description The Champion of Darkness must be behind that door the Doom Guardian is blocking! He must also be the keeper of the key that unlocks it. Get it from him.When Completed:We’re so close! Requirements to Complete Blackened Key Rewards 500 Golds 3 Gems 300 EXP OR 75 EXP from Level 200 Locations Valleyofdoom