Kidney Stone - Item Cheat Sheet, ID, & Description

Description	Randomly while firing tears, Isaac will stop firing and turn red, where he will charge and release a lot of 'tears' in one go. In the burst of tears is a kidney stone which deals a lot of damage.
Quote	Matt's kidney stone
Item ID	440
Icon	Kidney Stone
Category	Possive Collectible
DLC Required	Afterbirth

Item ID: 314
Icon: Thunder Thighs
Description: Destroys rocks upon contact with Isaac. Adds one heart container and lowers Speed.

Thunder Thighs

Item ID: 530
Icon: Death's List
Description: Grants a reward if all enemies in a room are killed in the order they are marked.

Death's List

Item ID: 113
Icon: Demon Baby
Description: Follows Isaac and automatically fires at enemies in its reach.

Demon Baby

Item ID: 191
Icon: 3 Dollar Bill
Description: Gives Isaac a random tear effect every room.
Removed in Afterbirth: The effect given changes upon entering a room.
Added in Afterbirth: The effect changes every 3 seconds.

3 Dollar Bill

Item ID: 203
Icon: Humbling Bundle
Description: Gives one extra pickup (1+1 Free version) of Red Hearts, pennies, bombs, and keys. Does not work with blue, black, and half red hearts, nickels, and dimes.

Humbling Bundle

Item ID: 534
Icon: Schoolbag
Description: Allows Isaac to hold two active items.

Schoolbag

Item ID: 29
Icon: Mom's Underwear
Description: Increases range.

Mom's Underwear

Item ID: 234
Icon: Infestation 2
Description: Spawns allied blue spiders from killed enemies.

Infestation 2

Item ID: 281
Icon: Punching Bag
Description: Spawns a Mulligan Familiar that will wander the room randomly. Enemies will attack the Mulligan if it's closer.

Punching Bag

Item ID: 178
Icon: Holy Water
Description: When Isaac receives damage, the bottle breaks and a puddle of blue creep forms, which damages non-flying enemies, similar to Lemon Mishap. The bottle is reformed upon entering a different room.

Holy Water

Item ID: 337
Icon: Broken Watch
Description: Chance upon entering a room to slow down or speed up every enemy and their attacks. The chance to slow enemies is quite higher than the chance to speed them up.

Broken Watch

Item ID: 463
Icon: Sulfuric Acid
Description: Increases damage. Adds a chance to fire acidic tears which can destroy obstacles.

Sulfuric Acid

Item ID: 268
Icon: Rotten Baby
Description: A familiar that spawns blue flies.

Rotten Baby

Item ID: 533
Icon: Trisagion
Description: Tears are replaced with piercing white blasts of light.

Trisagion

Item ID: 369
Icon: Continuum
Description: +2.25 Range Up. +1.5 Tear Height. Isaac's tears travel through walls and appear out of the opposite wall. Isaac's tears also travel over rocks and objects.

Continuum

Item ID: 82
Icon: Lord of the Pit
Description: Grants flight and increases speed.

Lord of the Pit

Item ID: 7
Icon: Blood of the Martyr
Description: Increases Damage by 1, and turns Isaac's tears into blood tears.

Blood of the Martyr

Item ID: 17
Icon: Skeleton Key
Description: Sets your key count to the maximum of 99.

Skeleton Key

Item ID: 211
Icon: Spider Baby
Description: When hit, spawns up to 2 blue spiders.

Spider Baby

Item ID: 531
Icon: Haemolacria
Description: Tears are now fired in an arc. Upon hitting the floor, an obstacle, or an enemy, they burst into many smaller tears in all directions. Increases tear delay.

Haemolacria

Item ID: 156
Icon: Habit
Description: When Isaac is hit, 1 point of an item's charge is filled.

Habit

Item ID: 241
Icon: Contract From Below
Description: Doubles the number of pickups and chests spawned after clearing a room or performing some other triggering action (such as using a blood donation machine), but reduces the chance for any pickups to spawn at all.

Contract From Below

Item ID: 310
Icon: Eve's Mascara
Description: Doubles damage, halves tears stat, and greatly reduces shot speed.

Eve's Mascara

Item ID: 213
Icon: Lost Contact
Description: Every tear has a small shield which will allow it to block one enemy projectile.

Lost Contact

Item ID: 200
Icon: Mom's Eyeshadow
Description: Tears have a chance to charm enemies.

Mom's Eyeshadow

Item ID: 232
Icon: Stop Watch
Description: Removed in Afterbirth: Automatically inflicts slow to all enemies in every room.
Added in Afterbirth: Upon taking damage, inflicts slow to all enemies for the current room.

Stop Watch

Item ID: 332
Icon: Lazarus' Rags
Description: Upon dying, resurrect as Revived Lazarus with one heart container and Anemic item.

Lazarus' Rags

Item ID: 435
Icon: Lil' Loki
Description: A Loki familiar that follows Isaac and shoots 4 tears in a cross pattern.

Lil' Loki

Item ID: 445
Icon: Dog Tooth
Description: Increases damage and speed. Upon entering a room adjacent to a secret room, a howl sound effect will play.

Dog Tooth

Item ID: 468
Icon: Shade
Description: Spawns a shadow familiar that follows Isaac's movements on a 1 second delay and deals contact damage to enemies.

Shade

Item: Kidney Stone

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