Players will need the Key to the Catacombs to open the closed gate near the Old Ruler's Crypt waypoint in Enotria: The Last Song.

Obtaining the Key to the Crimson Cloister allows the Maskless One to open a locked gate and access a hidden boss in Enotria: The Last Song.

He'd said to our engineer and producer that the key to successful songs was beat, melody and 10 simple words," Mustaine said.