Item: Key Piece 1

Item

Description Combined with Key Piece 2, unlocks the golden gate in the starting room of The Chest and Dark Room to fight Mega Satan.
Quote ???
Item ID238
Icon Key Piece 1
Category Possive Collectible
DLC Required None
Item ID
Icon
Description

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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The Mark

79
The Mark
Increases Damage and Speed, plus adds one Soul Heart.
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Purity

407
Purity
This item will boost one of Isaac's stats depending on the color of the aura around him. The aura will disappear upon taking damage and will reappear with a random color upon entering a new room. A red aura boosts damage, a blue aura boosts rate of fire, a yellow aura boosts speed, and an orange aura boosts range.
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Ghost Baby

163
Ghost Baby
Spawns a familiar that follows Isaac around and fires spectral tears.
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Guppy's Collar

212
Guppy's Collar
Grants Isaac a permanent 50% chance to respawn with 1/2 of a red heart after death.
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Lil Spewer

537
Lil Spewer
Spawns a random pill, and grants a small Spewer familiar that charges up and fires different types of creep.
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Rubber Cement

221
Rubber Cement
Tears bounce off walls, enemies, and environmental objects.
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Mongo Baby

322
Mongo Baby
Summons a familiar that copies the tears of Isaac's other familiars.
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Black Lotus

226
Black Lotus
Grants the player one red heart container, one soul heart, and one black heart.
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Lachryphagy

532
Lachryphagy
Isaac's tears decelerate as they travel. Upon stopping or hitting an obstacle, they burst into 8 tears in all directions. Tears can be fired into other tears to feed them, increasing their damage.
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Latch Key

343
Latch Key
Increases Luck by 1, grants 1 Soul Heart and spawns 2 Keys.
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The Common Cold

103
The Common Cold
Adds a chance to shoot poison tears, dealing damage over time when inflicted.
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???'s Only Friend

320
???'s Only Friend
Summons a big attack fly that can be controlled with the shooting direction-keys.
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1up!

11
1up!
Gives an extra life. Upon death, you will respawn in the previous room with full health and lose the 1up!.
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Blue Cap

342
Blue Cap
Grants 1 heart container and increases tears, but decreases shot speed.
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Lead Pencil

444
Lead Pencil
After every 15 tears fired, Isaac will fire a high-damage cluster of tears.
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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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Dad's Ring

546
Dad's Ring
Creates a ring of light around Isaac that petrifies enemies in contact.
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Technology 2

152
Technology 2
Decreases damage and replaces right eye tears with a unlimited range, piercing laser which fires continuously.
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Key Piece 1

238
Key Piece 1
Combined with Key Piece 2, unlocks the golden gate in the starting room of The Chest and Dark Room to fight Mega Satan.
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