Time-lost Diamond is a trinket in Fiend Folio, a mod for The Binding of Isaac.

When Isaac is about to take damage, the Glowing Hourglass is activated, preventing damage and teleporting Isaac back to the previous room.

The effect can happen only once per room.

Time-lost Diamond can be found in the following item pools:

The following special synergies and interactions for Time-lost Diamond have been documented.

* Note that not all possible synergies and interactions are listed here.

• Check out the trinket description on the mod's external Wiki.
• Download Fiend Folio from the Steam Workshop.