Sulfuric Acid 
Effects
Notes
- The chance to fire an acid tear does not increase with luck.
- The acidic tears affect static objects like bombs, but with some differences:
- They do not open Stone Chests.
- (Removed in Repentance) They cannot bridge gaps with obstacles.
- (Added in Repentance) Gaps are now bridged.
- (Removed in Repentance) Poop is not destroyed in one hit.
- (Added in Repentance) The mirror in (Downpour) Downpour / (Dross) Dross II can be broken. This is lethal if done from the Mirror World side.
- (Added in Repentance) The Visage's mask can be destroyed while it is defeated. This will prevent the heart from utilizing the mask in its attacks.
- (Added in Repentance) The boards leading to (Mines) Mines can be destroyed.
Interactions
- (Removed in Repentance)
Brimstone: Overrides Sulfuric Acid.
- (Added in Repentance) Lasers will sometimes destroy rocks, but will not open doors or secret rooms.
Dr. Fetus: Overrides Sulfuric Acid except for stat effects that apply.
Epic Fetus: Overrides Sulfuric Acid except for stat effects that apply.
Finger!: The finger can destroy rocks when pointing at them.- (The Forgotten) The Forgotten: The Forgotten's bone club will have colored swings, but these do not have the ability to break rocks.
Ipecac: Overrides Sulfuric Acid except for stat effects that apply.
The Ludovico Technique: The Ludovico tear occasionally becomes acidic.- (Removed in Repentance)
Mom's Knife: Overrides Sulfuric Acid.
- (Added in Repentance) Knife can destroy obstacles and open doors and secret rooms upon contact with no visual indicator.
Rubber Cement: Acidic tears can no longer break objects and doors and just bounce.- (Removed in Repentance) Spectral tears: Acidic tears will no longer be able to destroy obstacles or open secret rooms.
- (Added in Repentance) Acidic tears break rocks and open secret rooms, without being broken themselves on impact.
- (Removed in Repentance)
Technology: Lasers cannot break rocks even if non-spectral.
- (Added in Repentance) Lasers can break rocks although there is no visual effect indicating whether a laser has the acid effect or not. However, they can not open doors or secret rooms.
- (Removed in Repentance)
Tech X: Overrides Sulfuric Acid.
- (Added in Repentance) Lasers can break rocks although there is no visual effect indicating whether a laser has the acid effect or not. However, they can not open doors or secret rooms.