- Value: 30
- Use this key to open the Colosseum Vault.
- Number of uses remaining: 1
- The reward for completing all 18 arenas of the Colosseum within one hour. It opens the Colosseum Vault which holds Black Marrow Reliquary grade loot plus a random ring (Red Empyrean Ring, Blue Empyrean Ring, Yellow Empyrean Ring, White Empyrean Ring, or Green Empyrean Ring).
- Although the key is attuned and bonded, you can can open the chest and then let someone else loot it making them tradeable in a way. There is a 10 second period after using the key when only the key holder can open, after that anyone can open the chest.