XIX - The Sun
CardRebirthUnlocked
How do you unlock XIX - The Sun?
Verified starting unlockSource data confirms that no unlock is required.
Restores Isaac to full health, deals 100 damage to all enemies in the room, and reveals the map for the current floor, except for the Super Secret Room and Ultra Secret Room. Removes Darkness for the current floor.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking XIX - The Sun leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13