Sharp Plug

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Added in Afterbirth (page 2, column 2, line 5)
Removed in Afterbirth (page 3, column 2, line 1)

Sharp Plug is a passive item.

Effects[edit | edit source]

  • If Isaac's current activated item has no charges, attempting to activate the item fully recharges it in exchange for two hearts of Isaac's health.
    • If the item has any charges, the Sharp Plug will not work.

Notes[edit | edit source]

  • If Isaac has less than two black or soul hearts, it will remove them but will not remove any red hearts.
  • This item is useless when playing as The Lost, having no effect when trying to use the activated item.
  • Added in Afterbirth When used by Keeper, it will only drain one coin heart.

Synergies[edit | edit source]

  • Blank Card Blank Card: Grants infinite health when combined with XIX - The Sun. Other cards such as V - The Hierophant and VI - The Lovers result in no net loss of health and can be used to trigger items that activate upon taking damage.
  • Cancer Cancer: Repeated uses within the same room cost only half a heart.
  • The Gamekid The Gamekid: If Isaac has red heart containers, killing four enemies negates the health cost, and killing more results in a net gain of health.
  • Pyromaniac Pyromaniac: Isaac can regenerate the lost health with bombs, essentially allowing 2 bombs to be converted to a full item recharge.
  • Scapular Scapular: At half a heart, Isaac will gain a soul heart. As long as Isaac has a red heart container, the soul heart will absorb Sharp Plug's damage, causing the Scapular to trigger again as long as it has not already triggered in the current room.
  • The Wafer The Wafer: Reduces the health cost to half a heart.

Interactions[edit | edit source]

  • 9 Volt 9 Volt: Renders the Sharp Plug unusable. Sharp Plug can only be used if the item is at 0 charge, but 9 Volt instantly gives 1 charge to the item upon activation.
  • Breath of Life Breath of Life: When the charge for Breath of Life reaches zero, the Sharp Plug will immediately take effect if the player continues to hold the Use Item button, dealing 2 hearts of damage.
  • Holy Mantle Holy Mantle: Holy Mantle blocks the damage from Sharp Plug if the shield is active, but also keeps Isaac's active item from charging. Using Sharp Plug again in the same room will cause it to function normally.
  • Isaac's Heart Isaac's Heart: Renders the Sharp Plug unusable.

Ingame Footage[edit | edit source]

Seed[edit | edit source]

 PC  BKXE 1ZBZ (First floor shop, The Wafer and A Quarter in an urn in first floor treasure room)

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