Luck

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Attributes
Health Damage Tears Range Shot Speed Speed Luck Hidden Attributes

Luck Stat Icon.png Luck affects a variety of chance-based effects and is represented by a 3-leaf clover.

Effects of luck[edit | edit source]

Luck influences many different elements:

  • Room drops: Higher Luck gives a higher chance on drops after clearing rooms, going up to 100% guaranteed drops on any room at around 3-4 Luck in Normal Mode, and less than 10 Luck on Hard Mode.
    • The chance of chest drops is also greatly increased (and gives chests nearly every time when combined with Guppy's Tail Guppy's Tail).
  • Tear effect chance: The chance of shooting tears with status effects becomes more likely as Luck goes up. This scales up to 100% chance per tear in most cases with enough Luck.
    • Most of the status inflicting effects require a very unlikely high number of Luck to activate on every tear.
      • Since these effects persist on the enemies for a set amount of time regardless of the Tears stat, a fast rate of fire is often enough to affect an enemy indefinitely.
    • Other items affected by Luck include:
      • Virgo Virgo: The shield activation chance increases with Luck, topping out at 100% at 10 Luck.
      • Gimpy Gimpy: The Soul Heart/Black Heart drop chance upon taking damage increases with higher Luck, topping out at 50% at 22 Luck.
      • Celtic Cross Celtic Cross: The Celtic Cross grants its invulnerability more often with higher Luck, topping out at 100% at 27 Luck.
      • Old Bandage Old Bandage: The Red Heart drop chance when you take a hit increases with higher Luck, topping out at 50% at 29 Luck.
      • Midas' Touch Midas' Touch: Poops have a chance to turn in Golden Poop. That chance increases with higher Luck.
    • Luck also affects:
      • Slot machine: Slot machines pay out more often with higher luck, but doesn't scale up to 100% payout chance. The increased payout chance is, however, enough to make the machine almost definitely profitable, and Pretty Fly is awarded more frequently.
      • Shell game: Shell games pay out more often with higher luck, but doesn't scale up to 100% payout chance. The increased payout chance is, however, enough to make the beggar almost definitely profitable.

However, Luck doesn't affect:

Items that affect luck[edit | edit source]

Activated Items[edit | edit source]

Name ID Icon Quote Description
Afterbirth-exclusive content Mom's Box 439
Mom's Box
4 rooms
What's inside? When used, Mom's Box will drop a random trinket on the ground. While held, increases luck by 1 and doubles the effects of trinkets.

Passive Items[edit | edit source]

Name ID Icon Quote Description
Latch Key 343 Latch Key Luck up Increases Luck by 1, grants 1 Soul Heart and spawns 2 Keys.
Lucky Foot 46 Lucky Foot Luck up +1 Luck. Increases chance of winning Shell Game Beggar. (Independent of luck stat)
Magic Scab 253 Magic Scab HP + Luck up Increases luck and HP by 1.
Afterbirth-exclusive content Mom's Pearls 355 Mom's Pearls Range + luck up +1.25 Range Up. +0.5 Tear Height. +1 Luck Up.
Afterbirth †-exclusive content YO LISTEN! 492 YO LISTEN! Yo listen! Increases luck. Spawns a fairy familiar that points out secret room entrances and tinted rocks.

Trinkets[edit | edit source]

Name ID Icon Quote Description
Lucky Toe 42 Lucky Toe Icon.png Luck up! Increases Luck by 1.

Other[edit | edit source]

  • "Luck Up" pills increase luck by 1, and luck down pills decrease luck by 1.
  • Added in Afterbirth Lucky Pennies increase luck by 1.
  • Added in Afterbirth In co-op, Green Baby will occasionally briefly increase luck by 2. Dark Baby will occasionally briefly increase all stats, including luck.

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