Fiend's Lost Friend is an unlockable trinket in Fiend Folio: RELOADED, a mod for The Binding of Isaac.

Spawns a permanent Fiend Minion starting from the next room Isaac enters.

Defeat ???, The Lamb, Mega Satan, Mother, The Beast, Delirium, or Ultra Greedier in Fiend Folio as Fiend.

Fiend's Lost Friend can be found in the following item pools:

The following special synergies and interactions for Fiend's Lost Friend 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: RELOADED from the Steam Workshop.