[FF] The Real Jon is a challenge in Fiend Folio, a mod for The Binding of Isaac.

There are no starting items defined for this challenge.

Note: this list does not include characters' default starting items.

A unique Elite Jon enemy constantly follows Isaac throughout the run.
This enemy cannot be damaged or killed unless Chaos Card, Euthanasia, or similar effects are used, in which case it will reappear in the next room.

The following is unlocked for completing the [FF] The Real Jon challenge: Spare Ribs

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