The Diablo 4 Mutterlock Chests are a possible puzzle you can happen upon when venturing into the game's dark, enemy-ridden dungeons. Like the symbol-based cellar puzzle you might find, Mutterlock Chests require a little more thought than your average random event or enemy encounter.
You're most likely to stumble upon one of these chests if you're doing lots of Nightmare Dungeons to level your Glyphs, or in the hopes of getting yourself a fancy Unique item, but these puzzles can also appear in regular dungeons. So, here's how to open the Diablo 4 Mutterlock Chest.
