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Birthright is an unlockable passive item added in The Binding of Isaac: Repentance.
Effects[]
- Grants a passive ability that varies from character to character. The effect typically enhances/magnifies the character's special traits or helps mitigate some of their downsides.
Character | Pickup Quote | Effect |
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More options | All new item pedestals cycle between two options. Previously-seen items are unaffected. |
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Limit breaker + HP up | Adds 1 full red Heart Container. Increases the maximum heart limit to 18. |
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Better arcades + luck up | +1 Luck. All floors after Chapter 2, except for ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Belial incarnate | ![]() ![]() ![]() |
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Stronger spirit | ![]() |
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Forever cursed | ![]() ![]() |
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Rage up | ![]() |
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Wide breath | Azazel's Brimstone beam becomes much wider like ![]() |
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Come back stronger | No direct effect. The item is triggered if Lazarus dies and becomes Lazarus Risen. |
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Temporary DMG up | Grants a +21.6 Damage bonus that fades by 0.36 per second. Until the effect completely fades, killing an enemy restores 0.07 damage to the bonus. |
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??? | Creates 3 random items from random item pools. Only one can be taken. Ignores item weight and can spawn items that have already been taken during the run. Can also spawn multiples of the same item, if they exist in multiple item pools. |
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Better destiny | Prevents items with the nolostbr item tag from appearing. In practice, this automatically re-rolls most items that aren't beneficial to The Lost, namely ones that only give health, flight, and/or spectral tears or activate upon taking damage.
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Offensive Formation | Most familiars that normally follow Lilith, including Lilith's innate ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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Coin up | Adds one Coin Heart and raises Keeper's maximum Coin Heart limit to 4. |
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Regurgitate | Using ![]() |
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Unchained | ![]() |
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Conserve your faith | Activating an item using Soul Charges is free around 50% of the time. |
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What's yours is mine | The character who picks up Birthright gains copies of the three most recent passive items from the other. |
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Inventory up | Allows up to 12 passive items to be carried at a time. Does not consume a slot itself. |
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HP up! | Adds 1 full red Heart Container and increases the number of non-draining hearts to 3. |
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Salvage | The amount of pickups dropped from collecting an item is doubled. |
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Extended darkness | Increases the range in which ![]() |
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Poop up | Increases the maximum number of poop pickups that can be carried to 29. |
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Coagulate | Red Heart Clots now spawn temporary Half Red Hearts on death that last for two seconds before disappearing. Clots spawned from other types of hearts will not drop hearts. |
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Unstoppable force | The berserk timer gains 3 seconds instead of 1 when Tainted Samson kills an enemy. |
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Stronger sneeze | Doubles the size of Tainted Azazel's ![]() |
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Superposition | The non-active form of Tainted Lazarus will appear in ghostly form, being completely immune to damage and dealing 25% damage (including tear effects such as ![]() ![]() ![]() |
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Eternal | Items gained before Birthright will not be re-rolled, either by taking damage or by items such as ![]() ![]() |
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Extra life | Grants an extra life that revives Tainted Lost in the same room and deals 200 damage to nearby enemies. It can hit the same enemy up to 4 times. |
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Conjoined | Familiars that normally follow Tainted Lilith will instead act like and stack on top of her ![]() ![]() ![]() ![]() |
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Money money money | Strongly attracts the coins dropped by defeating enemies from a short distance. No effect on other coins. |
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Torment | Holding down the fire button causes ![]() |
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Recall | ![]() ![]() |
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Artifact | Spawns four ![]() |
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It's not yours | ![]() ![]() |
Notes[]
- Birthright effects are stackable when playing as
Tainted Lost,
Tainted Bethany, or
Tainted Magdalene. However, collecting additional Birthrights with Tainted Magdalene will simply add another bleeding heart container.
- Playing as
Magdalene, having more than 12 hearts, and entering the area in which
Knife Piece 2 can be acquired will completely remove all hearts above 12.
Interactions[]
- The following familiars are unaffected by
Tainted Lilith's Birthright:
- All orbitals
- Damage-triggered familiars
- Bouncing familiars (
BBF, etc.)
- Wandering familiars (
Spider Mod, etc.)
- Mimicking familiars (
Papa Fly, etc.)
- All familiars spawned by active items
Abel
Angry Fly
Blood Puppy
Bumbo
Bum Friend
Daddy Longlegs
Dark Bum
Finger!
Found Soul
Fruity Plum
Gemini
Guppy's Hair Ball
Isaac's Heart
Key Bum
Lil Gurdy
Lil Haunt
Lost Soul
Pointy Rib
Quints
Robo-Baby 2.0
Samson's Chains
Star of Bethlehem
Twisted Pair
Worm Friend
Sacrificial Altar +
Tainted Eve: Clots won't drop half red hearts after getting sacrificed.
In-game footage[]
Trivia[]
- This item's name, description, and unlock requirement are likely a reference to the biblical story of Jacob and Esau, in which Esau trades his birthrights to Jacob in exchange for stew.
- When
Tainted Jacob picks up Birthright,
Dark Esau, a representation of his own rage, seemingly becomes only angrier and doubles in power.
- Birthright's effect doubling Dark Esau's power, instead of Tainted Jacob's, further reflects the fact that it was originally his.
- When
- Prior to patch V1.7.6, Tainted Jacob's Birthright pickup quote was "There is no escape".
- Tainted Keeper's pickup quote could be based off the song made by ABBA, "Money, Money, Money"
- The pickup quote could also be a refrence to Mr. Krabs, a character from the show, ¨Spongebob Squarepants¨, where Mr. Krabs often says, ¨Money, Money, Money.¨
- Apollyon's Birthright could be a reference to Nuclear Throne. The character Robot has an Ultra Mutation of the same name which gives the character additional rewards after eating a gun.
Bugs[]
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Playing as ![]() ![]() |
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