Ultra Secret Room (Item Pool)

Stub

This article is a stub. You can help the Retribution Wiki by expanding it.

Item Pools
Normal / Hard	Treasure Room	Boss	Shop	Curse Room	Secret Room	Devil Room	Angel Room
	Library	Golden Chest	Red Chest	Beggar	Devil Beggar	Key Master	Bomb Bum
	Planetarium	Ultra Secret Room	Crane Game	Rotten Beggar	Battery Bum	Old Chest	Wooden Chest
	Baby Shop	Swine Beggar	Demon Swine	Angel Swine	Gashapon	Bone Saw	Bougie Pedestal
Greed / Greedier	Treasure Room	Boss	Shop	Curse Room	Secret Room	Devil Room	Angel Room

The Ultra Secret Room item pool contains red items. Items from this item pool are only awarded by the Ultra Secret Room, which can be found disconnected from the main level via Red Rooms.

Active Items

Name	Icon	Weight	Description
Stained Shard		1	On use, summons 12 shards of red glass in a ring around Isaac. Each glass shard deals 3 damage per second on contact with enemies and breaks when blocking a projectile. If a glass shard breaks while in contact with an enemy, the enemy will start bleeding.
The Pig Bang		1	On use, spawns a small pig with explosives attached to it. The pig will slowly chase the closest enemy and after 5 explodes like a Giga Bomb.

Passive Items

Name	Icon	Weight	Description
Bucket of Blood		1	+3 Red Heart containers. Rerolls all of Isaac's health into a random assortment of Heart Containers, Soul Hearts and Black Hearts.
Celestial Berry		1	When entering an uncleared room for the first time, a winged berry will appear in a random position. Picking up the berry grants: +1 Damage, +0.5 Tears, and flight for the room. +0.05 Luck permanently. The berry will fly away if not picked up within 3 seconds.
F.O.P.		1	Spawns a Bone Heart on pickup. If Isaac would take fatal damage, it is prevented and all of his Heart Containers are replaced with empty Bone Hearts. This can be repeated infinitely so long as Isaac has Heart Containers to convert.
Heart Shaped Balloon		1	Grants a trailing balloon familiar. For every cleared room, the familiar will change colors to resemble a specific heart pickup. Taking damage pops the balloon and spawns the respective heart on the ground. The balloon will regenerate back to its first form upon entering the next room. If the balloon resembles an Eternal Heart, it will pop automatically after clearing another room.
Hundred Dollar Steak		1	Grants a Red Heart container every 30 minutes.
Kapala		1	1.5x Damage Multiplier. Damage dealt to enemies is split evenly amongst all other enemies of the same Type and Variant.
Mad Onion		1	Grants a chance to fire a tear that deals 3.2x damage but possesses no tear effects.
Milk Teeth		1	0.5x tear rate multiplier. Tears split into a spread of 5 blood shots after traveling far enough from Isaac.
Philosopher's Stone		1	+1 Red Heart container. +3 File:Gold Heart.png Gold Hearts.
Sucker Sac		1	Blue Flies create poisonous farts when damaging enemies. Spawns 1-3 Blue Flies for every red heart regained.
Tool		1	When damaging enemies, grants a chance to deal that damage to all other enemies of the same Type and Variant in the room. The chance scales with Luck.
Booster Shot		1	-0.5 Damage. Grants piercing. The damage of Isaac's tears is increased by 1.5x for every enemy they pierce.
Red Chain		1	+3 Keys. Roughly 33% chance to spawn a Red Pillar when entering a new room. Red Pillars can be unlocked with a key to spawn a portal to a random new Red Key room.
Heart Rupture		1	Enemies have a chance to launch a heart pickup into the air upon dying. The chance scales with Luck, the enemy's maximum health and the current stage. Catching the heart will heal Isaac. Missing the heart will cause it to splatter on the ground and spawn playe-controlled creep.
Bleeding Heart		1	+1 Heart Container. Chance to fire a pink tear that inflicts Charm. Chance scales with Luck. Charmed enemies now fire Isaac's tears in random directions. Charmed enemies now charm other nearby enemies on death. Charming radius scales with the enemy's maximum health.
Corpse Flower		1	Spawns a Rotten Heart on pickup. Chance to fire a green tear that inflicts a long-lasting but weak Poison. Chance scales with Luck. Poisoned enemies now periodically spawn a Blue Fly. These Blue Flies will not target the enemy that spawned them.