Necrobinder: Whenever a non-Minion enemy dies to Doom, heal 3 HP.
Book Repair Knife currently ranks #154 out of 292 in the Slay the Spire 2 Relics tier list with a rating of 1491.88.
This ranking is based on 38 community votes (18 wins, 20 losses) for a win rate of 47.4%.