Trident Key (Resident Evil Revelations)

Key with a three-pronged spear shaped ornament attached.

Image of Trident Key
A silver key with a handle shaped like a trident.

It is first used on the Queen Semiramis to unlock the door to the Back Room from the Casino's Money Office.

It is then later used again on the Queen Zenobia to unlock the door to the Laboratory Entry from the Top Platform area of the freight lift stairwell.