Necrobinder: Whenever a non-Minion enemy dies to Doom, heal 3 HP.
Book Repair Knife currently ranks #148 out of 292 in the Slay the Spire 2 Relics tier list with a rating of 1500.92.
This ranking is based on 35 community votes (17 wins, 18 losses) for a win rate of 48.6%.