Sulfuric Acid

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Item icon
Item altar

 
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Character appearance
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(page 4, column 18, line 5)
Added in Afterbirth †

Sulfuric Acid is a passive item added in Afterbirth †.

Effects[edit | edit source]

  • +0.3 damage.
  • Adds a chance to fire acidic tears that destroy destructibles and opens doors and secret rooms upon contact.

Notes[edit | edit source]

  • Cannot be used to bridge gaps with destructibles.
  • Does not open Stone Chests.
  • Can not destroy Stone Grimaces.
  • The chance to fire an acid tear does not increase with luck.
  • Acidic tears are able to destroy angel statues.
  • Acidic tears will not destroy projectiles.

Interactions[edit | edit source]

  • Angelic Prism Angelic PrismAngelic Prism Icon.pngGrants a prism orbital with a large orbital radius. Tears that pass through the prism split into four multi-colored tears.: When acidic tears pass through the prism, each of the split tears will also be an acidic tear.
  • Brimstone BrimstoneBrimstone Icon.pngTears are replaced by a laser beam that pierces through all enemies and obstacles in its path and deals high damage. Can only be fired after a short charge-up period.: Overrides Sulfuric Acid.
  • Continuum ContinuumContinuum Icon.png+2.25 Range Up. +1.5 Tear Height. Isaac's tears travel through walls and appear out of the opposite wall. Isaac's tears also travel over rocks and objects.: Overrides Sulfuric Acid.
  • Dr. Fetus Dr. FetusDr. Fetus Icon.pngTears are replaced by bombs that benefit from bomb-enhancing effects and slide a fixed range after being fired.: Overrides Sulfuric Acid except for stat effects that apply. Adds a chance for some bombs to have a yellow tint.
  • Epic Fetus Epic FetusEpic Fetus Icon.pngIsaac's tears are replaced with guided missiles, like those used by the Doctor's Remote.: Overrides Sulfuric Acid except for stat effects that apply. Adds a chance for some missiles to have a yellow cloud.
  • Added in AfterbirthHead of the Keeper Head of the KeeperHead of the Keeper Icon.pngIsaac's tears become coins and now have a chance to drop pennies on the floor upon successfully hitting an enemy.: Tears retain Head of the Keeper's cosmetic effect but both items are fully active. Which tears are acidic can no longer be visually identified.
  • Ipecac IpecacIpecac Icon.pngReplaces tears with explosive and poisoning projectiles fired in an arc from the mouth.: Overrides Sulfuric Acid except for stat effects that apply. Adds a chance for some explosive shots to be yellow.
  • Lachryphagy LachryphagyLachryphagy Icon.pngIsaac's tears decelerate as they travel. Upon stopping or hitting an obstacle, they burst into 8 tears in all directions. Tears can be fired into other tears to feed them, increasing their damage.: Adds a chance to fire acidic tears which can be fed. If acidic tears are fed and burst, the split tears will also be acidic. However, if a normal tear is fed, acidic tears will not make the fed tear acidic.
  • The Ludovico Technique The Ludovico TechniqueThe Ludovico Technique Icon.pngInstead of firing tears, Isaac controls one floating tear that hover over obstacles. This tear deals constant damage when held in place over an enemy.: Overrides Sulfuric Acid.
  • Mom's Knife Mom's KnifeMom's Knife Icon.pngIsaac's tears are replaced by a knife that pierces enemies, can travel through obstacles, and can hurt enemies while Isaac is holding it. Holding down the fire button before firing increases its range and power.: Overrides Sulfuric Acid.
  • Rubber Cement Rubber CementRubber Cement Icon.pngTears bounce off walls, enemies, and environmental objects.: Acidic tears can no longer break objects and doors and just bounce.
  • Spectral Tears: Acidic tears will no longer be able to destroy obstacles or open secret rooms.
  • Technology TechnologyTechnology Icon.pngReplaces tears with a piercing laser with unlimited range.: Lasers cannot break rocks even if non-spectral.
  • Tech X Tech XTech X Icon.pngTears are replaced with laser rings that pierce through enemies and deal damage to enemies within them. Can be charged to increase the size of the ring.: Overrides Sulfuric Acid.

Synergies[edit | edit source]

  • 20/20 20/2020 20 Icon.pngGrants double shot./The Inner Eye The Inner EyeThe Inner Eye Icon.pngGrants triple shot but decreases tears./Mutant Spider Mutant SpiderMutant Spider Icon.pngGrants quadruple shot but decreases tears.: Adds a chance for each tear to become an acidic tear and increases likelihood of firing acidic tears.
  • Compound Fracture Compound FractureCompound Fracture Icon.pngIncreases range. Tears turn into bones, which shatter into 1-3 bone shards upon hitting an enemy or obstacle./Cricket's Body Cricket's BodyCricket's Body Icon.pngGrants -1 Tear Delay and reduces Range. When tears hit an object or deplete their range, they spawn 4 smaller tears, whose Range and Damage scale with Isaac's./The Parasite The ParasiteThe Parasite Icon.pngIsaac's tears split in two when they hit something.: When acidic tears are fired, the split tears are also acidic tears.
  • Cursed Eye Cursed EyeCursed Eye Icon.pngGrants charged tears that can be fired in a tight burst of four. Getting hit while charging will teleport Isaac into another room.: Adds chance for each tear in a burst to be an acidic tear.
  • Godhead GodheadGodhead Icon.pngIncreases damage and range while reducing tears and shot speed. Grants homing tears and tears gain a damaging halo.: Acidic tears retain damaging aura and homing effect.
  • Haemolacria HaemolacriaHaemolacria Icon.pngTears are now fired in an arc. Upon hitting the floor, an obstacle, or an enemy, they burst into many smaller tears in all directions. Increases tear delay.: Adds chance for acidic Haemolacria tears. If the main tear is acidic, the burst tears will be too. Acidic Haemolacria shots will have a yellowish tint.
  • Lost Contact Lost ContactLost Contact Icon.pngEvery tear has a small shield which will allow it to block one enemy projectile.: Acidic tears will block shots.
  • Monstro's Lung Monstro's LungMonstro's Lung Icon.pngIncreases damage and grants a charged shot that fires multiple tears in the same fashion as Monstro.: Every tear in the tear barrage has a chance to be an acidic tear. Increases likelihood of firing acidic tears. Acidic tears have a yellowish tint.
  • Piercing Tears: Acidic tears will retain piercing effect.

In-game Footage[edit | edit source]

Trivia[edit | edit source]

  • Sulfuric acid is an acid with a very low pH, commonly used as a drain cleaner.

Seeds[edit | edit source]

 PC  VG7G PQQL


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