Boss (Item Pool)
The Boss Pool is the pool of items that are dropped by bosses and can be found in the Boss Challenge Room.
Name | ID | Icon | Weight | Description |
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The Belt | 5.100.28 | ![]() |
1 | Increases speed by 0.3. |
Blood Clot | 5.100.254 | ![]() |
1 | Tears fired from the left eye have +1 flat damage, +5 range, and +0.5 tear height. |
Blue Cap | 5.100.342 | ![]() |
1 | ![]()
|
Box | 5.100.198 | ![]() |
1 | Spawns various pickups: 1 coin, 1 key, 1 bomb, 1 Red Heart, 1 card/rune, 1 pill and 1 trinket. |
Breakfast | 5.100.25 | ![]() |
1 | Grants Isaac one full Red Heart container. |
Caffeine Pill | 5.100.340 | ![]() |
1 | Grants +0.3 speed, reduces character size and gives a random pill. |
Cat-O-Nine-Tails | 5.100.165 | ![]() |
1 | +1 damage, +0.23 shot speed. |
Dessert | 5.100.24 | ![]() |
1 | Grants one full Red Heart container. |
Dinner | 5.100.23 | ![]() |
1 | Grants one full Red Heart container. ![]() |
Experimental Treatment | 5.100.240 | ![]() |
1 | Randomly increases and decreases some of the character's stats. |
Growth Hormones | 5.100.70 | ![]() |
1 | +1 damage, +0.4 speed. |
Jesus Juice | 5.100.197 | ![]() |
1 | +0.5 damage, +0.25 range, +0.5 tear height. |
Latch Key | 5.100.343 | ![]() |
1 | Grants 1 Soul Heart and +1 luck. Spawns 2 Keys. |
Little C.H.A.D. | 5.100.96 | ![]() |
1 | Spawns a familiar who drops a Half Red Heart every 3 rooms. |
Lunch | 5.100.22 | ![]() |
1 | Grants one full Red Heart container. ![]() |
MEAT! | 5.100.193 | ![]() |
1 | Grants one full Red Heart container, +0.3 damage. |
Magic 8 Ball | 5.100.194 | ![]() |
1 | +0.16 shot speed, spawns a random tarot card. |
Magic Scab | 5.100.253 | ![]() |
1 | Grants one full Red Heart container, +1 luck. |
Match Book | 5.100.344 | ![]() |
1 | Grants Isaac one Black Heart, Spawns two or three Bombs. |
Mom's Coin Purse | 5.100.195 | ![]() |
1 | Spawns 4 random pills near Isaac. |
Mom's Heels | 5.100.30 | ![]() |
1 | +5.25 range, +0.5 tear height. ![]() |
Mom's Lipstick | 5.100.31 | ![]() |
1 | +5.25 range, +0.5 tear height. ![]() |
Mom's Underwear | 5.100.29 | ![]() |
1 | +5.25 range, +0.5 tear height. ![]() |
Old Bandage | 5.100.219 | ![]() |
1 | Grants an empty Red Heart container. Adds a chance of dropping a Red Heart after taking damage. |
Pageant Boy | 5.100.141 | ![]() |
1 | Spawns seven random coins around Isaac. |
Pentagram | 5.100.51 | ![]() |
1 | +1 damage, increases Devil Room / Angel Room chance by 10%. |
Placenta | 5.100.218 | ![]() |
1 | Grants one full Red Heart container, and a chance to regenerate a Half Red Heart of health every minute of gameplay. |
Roid Rage | 5.100.14 | ![]() |
1 | +0.6 speed, +5.25 range, +0.5 tear height. |
Rotten Meat | 5.100.26 | ![]() |
1 | Adds one full Red Heart container. |
Safety Pin | 5.100.339 | ![]() |
1 | Grants one Black Heart, +5.25 range, +0.5 tear height, +0.16 shot speed. |
Screw | 5.100.255 | ![]() |
1 | +0.5 tears, +0.2 shot speed. |
A Snack | 5.100.346 | ![]() |
1 | ![]()
|
Speed Ball | 5.100.143 | ![]() |
1 | +0.3 speed, +0.2 shot speed. |
Squeezy | 5.100.196 | ![]() |
1 | Increases tears by 0.4, spawns 2 Soul Hearts. |
Stem Cells | 5.100.176 | ![]() |
1 | Grants one full Red Heart container and +0.16 shot speed. |
Super Bandage | 5.100.92 | ![]() |
1 | Grants one full Red Heart container and 2 Soul Hearts. |
Synthoil | 5.100.345 | ![]() |
1 | +1 damage, +5.25 range, +0.5 tear height. |
Toothpicks | 5.100.183 | ![]() |
1 | +0.7 tears, +0.16 shot speed. |
Torn Photo | 5.100.341 | ![]() |
1 | +0.7 tears, +0.16 shot speed. |
Wire Coat Hanger | 5.100.32 | ![]() |
1 | Increases tears by 0.7. |
Wooden Spoon | 5.100.27 | ![]() |
1 | Increases speed by 0.3. |
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5.100.15 | ![]() |
1 | Grants Isaac one Red Heart container and fully restores Isaac's health. |
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5.100.101 | ![]() |
1 | Grants one full Red Heart container, +0.3 damage, +0.2 tears, +0.25 range, +0.3 speed, and +0.5 tear height. |
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5.100.100 | ![]() |
1 | Spawns a familiar who follows Isaac around and fires homing tears. |
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5.100.12 | ![]() |
1 | Makes Isaac bigger. Adds one Red Heart container, +0.3 damage, x1.5 damage multiplier, +5.25 range, and +0.3 speed. Restores all health on pickup. |
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5.100.438 | ![]() |
1 | Grants one Soul Heart, +0.75 tears and decreases Isaac's size. |
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5.100.354 | ![]() |
1 | Grants one full Red Heart container and drops a random trinket. |
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5.100.355 | ![]() |
1 | +1.25 range, +0.5 tear height, +1 luck. |
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5.100.370 | ![]() |
1 | +0.7 tears, +5.25 range, +0.5 tear height, spawns 3 random types of Hearts on the floor when picked up. |
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5.100.428 | ![]() |
1 | Grants 4 Soul Hearts and fully restores Isaac's health. |
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5.100.455 | ![]() |
1 | +1.5 range, Drops a Lucky Penny. |
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5.100.547 | ![]() |
1 | Grants one Bone Heart, +0.7 tears, spawns a Mysterious Paper. |
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5.100.538 | ![]() |
1 | Spawns 3 random trinkets, 5% chance to swallow held trinket after taking damage, gaining its effect permanently. |
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5.100.541 | ![]() |
1 | Grants one bone heart and spawns three red heart pickups. |
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5.100.456 | ![]() |
1 | Grants one full Red Heart container. |
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5.100.458 | ![]() |
1 | Drops a random trinket. Grants a second trinket slot. |
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5.100.454 | ![]() |
1 | Allows Isaac to carry two cards, pills, or any combination of both. Spawns one random card, rune or pill. |
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5.100.564 | ![]() |
1 | Gives Isaac +0.5 Tears and +0.2 Shot Speed. |
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5.100.624 | ![]() |
1 | Spawns 5 random cards. |
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5.100.644 | ![]() |
1 | Increases Isaac's lowest stat and drops either 3 coins, 1 bomb, or 1 key depending on what Isaac has the least of. |
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5.100.600 | ![]() |
1 | Lowers the tear delay in Isaac's left eye, causing his eyes to fire at different rates. |
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5.100.708 | ![]() |
1 | +1 damage. Prevents Isaac from firing tears from one eye, like Cain. |
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5.100.707 | ![]() |
1 | Grants one Red Heart container and heals for one extra heart. |
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5.100.659 | ![]() |
1 | +1.5 range, Increases tear size. |
The Following items have special weights in this Item pool:
- Super Bandage and PJs have a weight of 0.5 in the Boss Pool, making them 50% less likely to appear.
Trivia[edit | edit source]
- Most items in this pool will increase stats, increase health, grant pickups, grant trinkets, or some combination of the four. The ones that don't,
Little Steven,
Little C.H.A.D., and
Little Gish, are familiars that will always drop from the boss they are themed after, respectively Steven, C.H.A.D., and Gish. Said bosses are all references to previous games made by Edmund McMillen, and all of them need to be unlocked by beating the chapter they appear in a certain amount of times.
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