In-game pickup line
“Lost brother”
Mechanics
What Esau Jr. does
- The first use creates Esau Jr. with flight, extra damage, three Black Hearts, and a set of random items; later uses switch between him and the original character.
- Each form keeps its own inventory and health, but dying as either one ends the run.
From the game files
Recharge
Standard room-clear recharge. Batteries and other effects can change how quickly it refills.
Achievement #507
How to unlock it
Defeat The Beast as Tainted Jacob.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
Check both health bars before changing forms in a dangerous room.
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.
