In-game pickup line
“What's in there?”
Mechanics
What Belly Button does
- Isaac can carry two trinkets at once after taking Belly Button.
- A random trinket spawns immediately to help use the new slot.
In a run
Practical note
Keep a favorite trinket and test the new one without abandoning it.
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.
