Item: Lost Fly

Item

Description A familiar fly that moves in a straight line and attaches itself to the first obstacle or wall it comes into contact with in each room. If any enemies walk into its path, it will deal 7 contact damage per tick. If the obstacle it is attached to is destroyed then it will continue rolling in the direction it was previously travelling until it meets another wall or obstacle.
Quote Lost protector
Item ID365
Icon Lost Fly
Category Possive Collectible
DLC Required Afterbirth
Item ID
Icon
Description

Tonsil

474
Tonsil
Grants a familiar that can block enemy shots.
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Proptosis

261
Proptosis
Tears start out massive with high damage, and then shrink down and become weaker over a short range.
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Spelunker Hat

91
Spelunker Hat
Reveals type of adjacent rooms, including location for secret rooms and super secret rooms.
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Breakfast

25
Breakfast
Grants Isaac one full red heart container.
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Pisces

309
Pisces
-1 Tear Delay, adds knock-back shots and increases tear size.
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Smart Fly

264
Smart Fly
After Isaac takes damage, this fly will deal continuous touch damage to whatever enemy caused the damage until it is dead. The fly will then systematically attack 1 enemy at a time until the room is cleared.
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Divorce Papers

547
Divorce Papers
Spawns a Mysterious Paper, increases tears, and grants a bone heart.
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Hallowed Ground

543
Hallowed Ground
Spawns a white poop familiar, which turns into a white poop when Isaac is hurt.
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E Coli

236
E Coli
Gives "Turdy Touch" Effect. Enemies that touch Isaac are changed into poop.
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Blood Clot

254
Blood Clot
Increases damage by 1 and range by 5 for tears fired from the left eye.
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Blue Cap

342
Blue Cap
Grants 1 heart container and increases tears, but decreases shot speed.
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Mom's Knife

114
Mom's Knife
Isaac's tears are replaced by a knife that pierces enemies, can travel through obstacles, and can hurt enemies while Isaac is holding it. Holding down the fire button before firing increases its range and power.
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Sworn Protector

363
Sworn Protector
An orbital angel which does 7 contact damage per tick and blocks enemy shots. Upon blocking 10 shots in a room it drops an eternal heart.
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Serpent's Kiss

393
Serpent's Kiss
Tears now have a random chance to apply a poison effect, causing 4 or 6 damage per tick to enemies (Similar to The Common Cold item). Isaac now deals poison damage on contact with enemies similar to The Virus item (Damage over time 4 or 6 per tick). Enemies that were poisoned have a chance to drop a black heart when killed.
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Athame

408
Athame
Whenever Isaac takes damage, a black ring briefly appears around Isaac, dealing damage to all nearby enemies.
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Dead Onion

336
Dead Onion
Grants piercing and spectral tears. Increases tear size (without increasing damage) while greatly reducing range and shot speed.
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The Halo

101
The Halo
Grants one Heart Container, +0.3 Damage, +0.2 Tears, +0.25 Range, +0.3 Speed, and +0.5 Tear Height.
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Bomber Boy

353
Bomber Boy
+5 bombs. Isaac's bombs will now explode in a large cross-shaped pattern (roughly 5 bombs explosions wide). This also affects troll bombs.
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Guppy's Tail

134
Guppy's Tail
Increases chance of finding gold chests and normal chests, but reduces chance of finding pickups.
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Sticky Bombs

367
Sticky Bombs
+5 bombs. Bombs stick to enemies and spawn 2-4 blue spiders if they kill an enemy.
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