Demon's Souls Wiki

The Iron Ring of Keys is a key in Demon's Souls.

In-Game Description

An iron ring of keys. They all look the same…

It is acquired by killing the Fat Official waiting behind the large portcullis beyond the Tower Knight Archstone. It opens the door, at the very end of the Phalanx Archstone, which leads to the palace dungeon where Biorr of the Twin Fangs is imprisoned.