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Bookworm (Transformation)

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

Bookworm

Upon picking up 3 items from the following list, Isaac will fire tears out of both eyes simultaneously 25% of the time. This effect stacks with items such as 20/20 20/2020 20 Icon.pngGrants double shot., The Inner Eye The Inner EyeThe Inner Eye Icon.pngGrants triple shot but decreases tears. and Mutant Spider Mutant SpiderMutant Spider Icon.pngGrants quadruple shot but decreases tears., multiplying the number of tears.

The chance of firing double tears is not affected by luck.

Activated Collectibles[edit | edit source]

Name ID Icon Quote Description
Anarchist Cookbook 65
Anarchist Cookbook
3 rooms
Summon bombs Spawns six troll bombs around the room.
The Bible 33
The Bible
6 rooms
Temporary Flight Upon activation, Isaac gains flight, allowing him to pass over all obstacles in the current room. Instantly kills Mom, Mom's Heart, and It Lives when activated, but will kill Isaac when activated while fighting Satan.
The Book of Belial 34
The Book of Belial
3 rooms
Temporary DMG up Upon use increases damage by 2 for the current room and by a further +50% if the character also has the Blood of the Martyr.
Removed in Afterbirth Guarantees a Devil Room or Angel Room will be open after beating a boss while holding it, or Added in Afterbirth increases the chance by 12.5%.
Book of Revelations 78
Book of Revelations
6 rooms
Reusable soul protection Adds 1 soul heart, increases the chance for a Devil or Angel Room to appear, and increases the chance for the next boss to be a Horseman (except on XL floors and floors with fixed bosses such as Mom).
Book of Secrets 287
Book of Secrets
6 rooms
?????? Upon use, gives the effect of Treasure Map, The Compass, or Blue Map for the duration of the current floor.
Book of Shadows 58
Book of Shadows
3 rooms
Temporary Invincibility Upon use, creates a protective shield nullifying all types of damage for 10 seconds.
The Book of Sin 97
The Book of Sin
4 rooms
Reusable Item Generator Spawns a random pickup, pill, card, or trinket.
Added in Afterbirth † Book of the Dead 545
Book of the Dead
4 rooms
Rise from the grave Upon use, spawns a friendly Bony or an orbital bone for each enemy killed in the current room.
How to Jump 282
How to Jump
Unlimited
It's about time you learned how Gives Isaac the ability to jump (over gaps, spikes, etc.).
The Necronomicon 35
The Necronomicon
6 rooms
Mass room damage Damages all enemies in the room significantly.
Monster Manual 123
Monster Manual
3 rooms
Temporary buddy generator Summons a random familiar for the current room. Can summon familiars not yet unlocked.
Satanic Bible 292
Satanic Bible
6 rooms
Reusable Evil Upon activation, Isaac gains a black heart.
Telepathy for Dummies 192
Telepathy for Dummies
2 rooms
Temporary psychic shot Upon activation, grants homing tears for the current room.

Trivia[edit | edit source]

  • A bookworm is a person who's devoted to reading, especially of books.


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