Fall from Grace
Developers
Cometz
Ferrium
Guwahavel
JD
PkPseudo
Pixelo
Poyo
Sadly Just Al
Sunil_B
hippocrunchy
Shynova
Ilias
impupzables
Release Date
22th of May, 2023
Fall from Grace Boiler — a third alternate floor that can appear in Chapter 1.5 featuring its own enemies, bosses, and floor mechanics to go alongside Downpour and Dross .
With both Fall from Grace and Fiend Folio: Reheated installed, many Fiend Folio enemies with their own unique rooms will make their appearance in the Boiler.
Boiler Enemies All Fiend Folio: Reheated enemies that can appear in the Boiler:
Name
Icon
Description
Morsel
Quickly chases Isaac.
Usually found in groups of 2-4.
Slim
Slowly follows Isaac.
When it draws close, it will attempt to smack him with its arm.
If it hits a wall or an obstacle, it will stop to spray a few blood projectiles.
When it dies, it has a chance to leave a Limb behind.
Limb
Remains stationary, hopping towards Isaac if he gets too close.
Pipeneck
Walks towards Isaac.
Attempts to hammer its head onto Isaac when lined up in the cardinal directions, splashing projectiles where it lands.
Buckethead
Chases Isaac, boasting a high amount of damage resistance.
Becomes a Frowning Gaper when the bucket is destroyed.
Can appear as a second wave in rooms with overturned buckets.
Mr. Sub Horf
Chases Isaac.
When it gets close enough, it will stop to spin its own head at him. The head will release projectiles in all directions as it travels.
The head then becomes a Sub Horf, and the body becomes a Pacer or Gusher.
Archer
Emerges from pits, spitting a Monstro's Lung burst of projectiles at Isaac before leaping towards him.
Fires four projectiles in the cardinal directions upon landing, leaving its tail exposed for a moment before burrowing.
Mayfly
Slowly flies towards Isaac.
On death, fires two projectiles in a V shape towards Isaac.
Mightfly
Bounces around the room.
On death, pops into three V shaped projectiles in a triangle shape, along with a fountain of projectiles.
Drop
Moves around the room by performing short dashes.
Occasionally sinks into the floor, before attempting to land on Isaac from above.
A blue mark will appear in the location Drop is about to fall in.
Dribble
Jumps in place, firing a spread of three tears at Isaac.
Can perform a long dash, bouncing off of walls and obstacles.
Splits into two Drops on death.
Shot Fly
Slowly flies towards Isaac.
When damaged, performs a quick charge towards Isaac when lined up cardinally.
Dies when it hits a wall while charging.
Shoter
Slowly flies towards Isaac.
When damaged, splits into two charging Shot Flies in a V formation towards Isaac, when lined up cardinally.
If killed before it attacks, will split and charge in two opposite directions horizontally to Isaac.
Spitroast
Slowly flies towards Isaac.
Upon death, releases a ring of flames.
Spark
Moves around the room by performing short dashes.
Leaves a small extinguishable flame behind with each dash.
Downpour and 
Dross.
