Leviathan

Transformations

Guppy	Beelzebub	Super Bum	Yes Mother?	Bob	Fun Guy	Leviathan	Conjoined
Spun	Seraphim	Oh Crap	Bookworm	Spider Baby	Adult	Stompy

Transformation ID	8

After obtaining 3 evil items listed below ( 3 items with the devil item tag), Isaac turns into a Lovecraftian horror, gains 2 Black Hearts, and gains flight.

Activated Collectibles

Name	ID	Icon	Quote	Description	Quality
The Nail	5.100.83		Temporary demon form	Gives one Soul Heart. For the current room; +0.7 damage, -0.18 speed, Isaac breaks rocks and deals contact damage. Gives half a Black Heart. For the current room; +2 damage, -0.18 speed, Isaac breaks rocks and deals contact damage.	2
Sulfur	5.100.556		Temporary demon form	Grants Brimstone for the current room.	2

Passive Collectibles

Name	ID	Icon	Quote	Description	Quality
Abaddon	5.100.230		Evil + DMG up + fear shot	+1.5 damage, +0.2 speed. Removes all Red Heart containers, grants six Black Hearts, and adds a chance to shoot fear tears. +1.5 damage, +0.2 speed. Grants two Black Hearts, converts all Red Heart Containers into Black Hearts, and adds a chance to shoot fear tears.	3
Brimstone	5.100.118		Blood laser barrage	Tears are replaced with a blood laser beam that pierces through all enemies and obstacles in its path and deals high damage. Can only be fired after a short charge-up period.	4
Pentagram	5.100.51		DMG up	+1 damage, increases Devil Room / Angel Room chance by 10%.	3
Spirit of the Night	5.100.159		Scary	Grants spectral tears and flight.	3
The Mark	5.100.79		DMG + speed up	Grants one Soul Heart, +1 damage, and +0.2 speed. Grants one Black Heart, +1 damage, and +0.2 speed.	3
The Pact	5.100.80		DMG + tears up	Grants two Soul Hearts, +0.5 damage, and +0.7 tears. Grants two Black Hearts, +0.5 damage, and +0.7 tears.	3
Maw Of The Void	5.100.399		Consume thy enemy!	Isaac can charge and unleash a black ring that rapidly deals damage around him. The ring can cause enemies to drop Black Hearts. +1 damage.	3
Eye of the Occult	5.100.572		DMG up + range up + controlled tears	+1 damage, +2 range, -0.16 shot speed. Isaac's tears can be controlled mid-flight with tear controls.	3
Lord of the Pit	5.100.82		Demon wings	Grants flight and +0.3 speed.	3

Notes

• Sanguine Bond's spikes have a 2% chance to transform Isaac into Leviathan.

Gallery

• 
  Concept art for Leviathan along with other transformations that would be implemented into the Afterbirth DLC, by Edmund McMillen. Note that "Sistanis" is an early name of this transformation concept.

Trivia

• This transformation is based on the biblical creature of the same name.
• This transformation was initially misspelled as "Levathian" in Afterbirth but has been fixed in Afterbirth+.

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