#114 · Passive Item · Special Item

Mom's Knife

"Stab stab stab"

  • Isaac's tears are replaced by a knife that pierces enemies and can travel through obstacles. Holding down the fire button increases its range and power.
  • The knife can hurt enemies while Isaac is holding it.
  • The knife deals 2x Isaac's damage while held and 6x damage at the furthest possible point of its arc, regardless of the actual maximum range stat.
  • This item belongs to the Yes Mother? set. Collecting three items from this set will transform Isaac into his mother.

Defeat Satan as Isaac

Synergies & Interactions

Found in

  • Devil Room
  • Treasure Room
  • Devil Room (Greed Mode)
  • Treasure Room (Greed Mode)