Stone Coffin of Seal

The Stone Coffin of Seal (封印の石棺) is a stone coffin made by King to seal the Greeeds using the OOO Driver as the key.

Merchandise
The design of the stone coffin was adapted as a storage box of Bandai's Premium O Medal Collection.

Recycling
The property of the stone coffin was remodeled into Over Lord Queen's coffin in Kamen Rider Gaim.