In-game pickup line
“Syntax error”
Mechanics
What Missing No. does
- Picking it up immediately changes passive items and stats.
- At the start of later floors it rerolls them again, so a strong setup may be temporary.
Achievement #105
How to unlock it
Complete Boss Rush as Lazarus.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
Take it when you welcome major changes rather than counting on a particular synergy.
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.
