Binding of Isaac: Rebirth Wiki

Added in Afterbirth †

Lead Pencil is a passive item added in The Binding of Isaac: Afterbirth †.


  • After every 15 tears fired, Isaac will fire a low range burst of 12 tears at once, in a similar fashion to Monstro's Lung Monstro's Lung.
    • Removed in Repentance Tears in the barrage deal double damage.
  • Tears will fire only from Isaac's right eye.
  • Added in Repentance Fired tears have a 50% chance to be colored red.


  • Lead Pencil gives characters other than Cain Cain the same special properties that he has when it comes to one-eye items like Blood Clot Blood Clot.
  • Removed in Repentance Tears fired from items that cause multiple tears to be fired at once e.g. 20/20 20/20, Mutant Spider Mutant Spider, etc. are counted.
    • Added in Repentance Each tear fired from Monstro's Lung Monstro's Lung still count towards triggering the barrage, but only if Isaac does not have any tear modifying items, such as Technology Technology.


  • Compound Fracture Compound Fracture/Cricket's Body Cricket's Body/The Parasite The Parasite: All tears from the barrage split.
  • Haemolacria Haemolacria: Fires a barrage of Haemolacria tears, all of which will burst.
  • Lachryphagy Lachryphagy: Tears tend to clump together, becoming one giant tear which splits into 8 large tears. When tears burst, they can also spawn barrages of tears that can be fed.
  • Pop! Pop!: Causes burst tears to remain in the room for much longer, forming a soft barrier of sorts, which enemies must survive through to reach Isaac.
  • Added in RepentanceTorn Card Torn Card: Decreases shot requirement by 1. Lead Pencil will fire every 14th shot, with Torn Card quickly following at 15th.
  • Trisagion Trisagion: Fires a barrage of beams.
  • Added in RepentanceThe Scooper The Scooper: All tears benefit from the damage bonus granted by The Scooper.


  • Removed in RepentanceBrimstone Brimstone: Overrides Lead Pencil.
    • Added in Repentance The effect from Lead Pencil fires as separate tears from Brimstone Brimstone.
  • Dr. Fetus Dr. Fetus: Overrides Lead Pencil.
    • Added in Repentance The Lead Pencil tears fire alongside the bombs.
  • Epic Fetus Epic Fetus: Overrides Lead Pencil.
  • Removed in Repentance Lilith Lilith: No effect, as Lilith is inherently Blindfolded.
    • Added in Repentance Firing with Incubus Incubus will now activate Lead Pencil.
  • Loki's Horns Loki's Horns: Lead Pencil can fire in any of the cardinal directions if it fires at the same time as Loki's Horns.
  • Removed in RepentanceThe Ludovico Technique The Ludovico Technique: The tear blinks red, but the effect is entirely cosmetic.
    • Added in Repentance Isaac's body will fire the lead pencil shot toward where the controlled tear is located at a regular time interval
  • Incubus Incubus: Fires red tears like Blood Clot with Cain, but without increased damage.
    • Added in Repentance Incubus is capable of firing the barrage of tears like Isaac.
  • Removed in RepentanceMom's Knife Mom's Knife: Overrides Lead Pencil.
    • Added in Repentance A barrage of tears is fired alongside Mom's Knife Mom's Knife every 15 Knife throws.
  • Removed in RepentanceTechnology Technology: Overrides Lead Pencil.
    • Added in Repentance A barrage of tears is fired alongside Technology Technology every 15 shots.
  • Removed in RepentanceTechnology 2 Technology 2: Overrides Lead Pencil and disables normal tears entirely, even if not playing as Cain.
    • Added in Repentance Replaces tears with lasers similar to Technology. These are shot from the eye that shoots Technology 2, dealing damage alongside the Technology 2 beam.
  • Tech X Tech X: Overrides Lead Pencil.
    • Added in Repentance Every 15th laser ring fired also shoots a cluster of tears.
  • Tiny Planet Tiny Planet: The burst follows Tiny Planet's circular trajectory with minimal range, hitting the ground almost immediately.

In-game Footage[]


  • Though the pencil is in Isaac's right eye, it blocks tears from firing out of his left eye.


Switch R69K WMVV (Treasure room adjacent to spawn) PCAdded in RepentanceT26J GMTJ (Treasure room adjacent to spawn)Hard mode only