Binding of Isaac: Rebirth Wiki

Added in Repentance

Documented Changes[]

Gameplay Changes[]

  • "Something spooky" has appeared in the Ashpit Ashpit!
  • Lazarus Lazarus now reverts to his normal form when going to the next floor, gaining his extra life back if he lost it.
  • Lazarus Lazarus now gains a permanent +.5 damage up each time he turns into his revived form.
  • Lazarus Lazarus now only loses up to 1 heart container when turning into his revived form; this cannot bring him below 1 heart container.
  • Increased the damage multiplier of Lazarus Lazarus' revived form to 1.4 (from 1.2).
  • Reduced the duration of the temporary damage bonus granted by Lazarus Lazarus' Birthright Birthright from 3 minutes to 1; however, this bonus is granted every time Lazarus turns into his revived form.
  • ??? ??? now gets devil deals at a reduced cost and starts with an innate Lil Larva Lil Larva effect (destroying poop spawns 1 blue fly).
  • Bleed effects from Mom's Razor Mom's Razor and Backstabber Backstabber now deal damage based on how quickly an enemy is moving (faster enemies take more damage). While an enemy bleeds, they leave behind creep that damages other enemies. The effects can now also be applied to bosses.
  • Mom's Razor Mom's Razor now blocks projectiles and can damage bosses.
  • Camo Undies Camo Undies now grants +.5 speed while cloaked. When uncloaking, all nearby enemies take damage, and Isaac gains a brief tears + damage up.
  • Lost Fly Lost Fly now deals damage less frequently (7 damage every 7 frames) but forces nearby enemies to target it.
  • D12 D12 can now reroll most obstacles, including poop, spikes and fireplaces, and can generate more varied obstacles.
  • Pay to Play Pay to Play now works on double locked doors, key blocks, and chests, and features new sprites for all types of locked doors.
  • We Need to Go Deeper! We Need to Go Deeper! / Mom's Shovel Mom's Shovel / Rune of Ehwaz Rune of Ehwaz now feature a secret method to guarantee a crawlspace once per floor and no longer create them based on random chance.
  • Lil Dumpy Lil Dumpy is now a follower and automatically produces a Butter Bean fart when an enemy or projectile is about to hit Isaac.
  • Voodoo Head Voodoo Head now improves curse room layouts/rewards.
  • The Book of Sin The Book of Sin no longer creates Micro Batteries (only Lil' Batteries and rarely Golden/Mega Batteries).
  • Adjusted the formula used to calculate damage for Libra Libra and the pause menu stat tallies (this results in overall higher damage during Libra runs).
  • Reduced the Devil Deal price of The Nail The Nail, Bloody Lust Bloody Lust, and Bloody Gust Bloody Gust to 1 heart.
  • Added Little Horn Little Horn to the Devil Room item pool (it was previously only there in Greed mode).
  • Replaced Razor Blade Razor Blade with Blood Rights Blood Rights in the Devil Room item pool.
  • Replaced Mom's Razor Mom's Razor with Razor Blade Razor Blade in the Curse Room item pool.
  • Increased the weight of Blank Card Blank Card in the Shop item pool (was previously more rare).
  • Bomber Boy Bomber Boy now has normal weight/rarity in the Bomb Bum item pool (was previously more rare).
  • Toned down the amount of enemies spawned on the first floor of Greed/Greedier Mode.
  • Beggar.png Beggars no longer give Treasure Map Treasure Map, The Compass The Compass, or Contract From Below Contract From Below in Greed Mode.
  • Added Odd Mushroom Odd Mushroom to the Treasure Room item pool in Greed mode.
  • Added Ball of Bandages Ball of Bandages to the Greed Mode Boss item pool.
  • Removed Cube of Meat Cube of Meat from most Greed Mode item pools except the Boss and Shop item pools.
  • Removed Dead Bird Dead Bird and Ouija Board Ouija Board from the Devil Room item pool in Greed mode.
  • Reduced the appearance rate of the Devil Room layout with only Runes in Greed mode.
  • Urn of Souls Urn of Souls now deals 50% more damage when combined with The Book of Belial The Book of Belial via Judas Judas' Birthright Birthright.
  • Significantly increased the durability of Book of Virtues Book of Virtues wisps created from Ventricle Razor Ventricle Razor.
  • Significantly increased the range and damage of the Brimstone beams from Sulfur Sulfur wisps.
  • Devil's Crown Devil's Crown no longer affects the mirrored Treasure Room in Downpour Downpour \ Dross Dross II.
  • Monster Manual Monster Manual can now grant Gemini Gemini and Psy Fly Psy Fly.
  • Rooms containing pits in Corpse Corpse can no longer be bloody.
  • D7 D7 no longer teleports Isaac when used in certain special rooms (such as Devil Rooms).
  • Red champion Monstro II Monstro II now has faster attacks, but also slightly reduced health.
  • Added unique champion sprites for bosses.
  • Added visual and audio feedback for Backstabber Backstabber’s effect.
  • Added more new room layouts.
  • Updated various item qualities.
  • Updated localization files.


  • Fixed some characters in the item description font (such as b and d) not displaying correctly since last update.
  • Fixed some missing shading in The Horny Boys The Horny Boys' boss portrait.
  • Fixed Bag of Crafting Bag of Crafting being able to craft locked items using fixed recipes.
  • Fixed Bag Lunch Bag Lunch and Wish Bone Wish Bone causing strange behavior with pickups for the rest of the run after triggering (such as infinitely duplicating items from Damocles Damocles).
  • Fixed Devil Room Devil Rooms not spawning in the floor in Greed Mode if Womb Womb wasn't unlocked first.
  • Fixed Co-op ghosts being able to take damage from certain sources.
  • Fixed a rare crash caused by floor generation in the Red Redemption challenge.
  • Fixed Astral Projection Astral Projection causing a crash when triggering in a room containing rain.
  • Fixed Clickety Clack Clickety Clacks becoming white champions, which could result in a softlock.
  • Fixed a softlock when throwing Tainted Forgotten Tainted Forgotten into the special minecart in Mines Mines / Ashpit Ashpit II right after entering the room.
  • Fixed Tainted Forgotten Tainted Forgotten getting extra plays on Devil Beggar.png Devil Beggars during damage iframes.
  • Fixed the sound of Tainted Forgotten Tainted Forgotten hitting the ground playing when thrown into a trapdoor.
  • Fixed The Book of Belial The Book of Belial not increasing Devil Deal chance when held by Judas Judas with Birthright Birthright.
  • Fixed Satan Satan sometimes becoming invulnerable during his second phase when under the effects of I'm Excited.
  • Fixed not being able to shoot during the Kidney Stone Kidney Stone barrage effect with Chocolate Milk Chocolate Milk.
  • Fixed Neptunus Neptunus + Chocolate Milk Chocolate Milk preventing the charge bar from completely filling up.
  • Fixed Head of Krampus Head of Krampus dealing 19 ticks of damage instead of 20.
  • Fixed Brimstone Brimstone + Anti-Gravity Anti-Gravity + Soy Milk Soy Milk not working as intended.
  • Fixed Pyromaniac Pyromaniac being more rare than intended.
  • Fixed various minor issues with certain room layouts.
  • Fixed Mother's Shadow Mother's Shadow's chase track not looping correctly.
  • Fixed the door to the minecart room in Mines Mines / Ashpit Ashpit II taking longer to open than intended after successfully escaping Mother's Shadow.
  • Fixed Colostomia Colostomia sometimes staying invulnerable for longer than intended during the transition to her second phase.
  • Fixed VIII - Justice? VIII - Justice? removing an item from the current room's item pool for every chest spawned.
  • Fixed Rocket in a Jar Rocket in a Jar Bombs exploding on contact with perma-charmed enemies.
  • Fixed a softlock caused by falling into a pitfall while Mega Mush Mega Mush is active.
  • Fixed Sumptorium Sumptorium sometimes not being able to recall all clots when playing as Tainted Eve Tainted Eve.
  • Fixed Black Hole Black Hole not destroying Fool’s Gold rocks.
  • Fixed various issues caused by D7 D7 in Home Home.

Modding changes[]

  • The rewind console command now instantly reverts the game to the last visited room, skipping the fade in transition.
  • Fixed EntityPlayer:TriggerBookOfVirtues() not working correctly.
  • Fixed EntityFamiliar:PlayChargeAnim, PlayShootAnim, and PlayFloatAnim crashing the game when called.
  • Fixed Level:MakeRedRoomDoor() crashing the game when called.
  • Added missing enums for recently added item tags.
  • Added Room:GetEnemyDamageInflicted().
    • Returns the total amount of HP lost by all enemies in the room within the current frame.
    • This is used by items that charge on damage inflicted such as Berserk! Berserk!.
  • Added EntityPlayer.SamsonBerserkCharge.
    • Internally used by Tainted Samson Tainted Samson, increases based on damage dealt, range is 0-100000.
  • Added EntityPlayer.IBSCharge.
    • Internally used by IBS IBS, increases based on damage dealt, range is 0-1.

Undocumented Changes[]

Erroneous Patch Notes[]