Repentance · active · #297

Pandora's Box

A one-use box whose reward changes with the floor where it is opened.

Typeactive
Quality2
Listed pools3
UnlockAchievement #119

In-game pickup line

“? ?”

Mechanics

What Pandora's Box does

  • Its contents depend on the current floor, ranging from pickups to item pedestals; see the floor table below.
  • The box is consumed when opened, so the timing determines the reward.

Quick reference

Pandora’s Box rewards by floor

The floor where you open the box determines its one-time reward.

FloorReward
Basement I2 Soul Hearts
Basement II2 Bombs and 2 Keys
Caves I1 Boss pool item
Caves II1 Boss pool item and 2 Soul Hearts
Depths I4 Soul Hearts
Depths II20 coins
Womb I2 Boss pool items
Womb IIThe Bible
Sheol1 Devil pool item and 1 Black Heart
Cathedral1 Angel pool item and 1 Eternal Heart
Dark RoomUnlocks Moving Box
Chest1 coin
HomeRed Key
??? or VoidNo reward

Standard floor names are shown. Curse of the Labyrinth counts as the first floor of its chapter. Dark Room is an unlock condition, not an item drop.

From the game files

Recharge

Standard rechargeNo charge bar

The game file specifies zero standard charges. Use conditions can depend on the item or another resource.

Achievement #119

How to unlock it

Defeat The Lamb as Lazarus.

Unlocking an item and finding it during a run are separate steps.

Explore more unlocks

In a run

Practical note

Check the floor-specific reward before using it; saving the box for a later stage can change its value substantially.

Reference

Game data and sources

The item ID, quality and pool listings, icon, game-file tags, and short pickup line come from the extracted Repentance files. This effect explanation is an editorial summary checked against the references below. Repentance+ can differ. Charge and pickup values shown above also come from the extracted items.xml.