Acid allows for more time than water to perform Spring Ball jumps. This gives just barely enough time to fit in three spring ball jumps.

Requires:

{"notable": "Reverse Acid Dive"},
{"obstaclesNotCleared": ["A"]},
"h_heatProof",
"canSuitlessLavaDive",
"h_doubleSpringBallJumpWithHiJump",
"canTrickyJump",
{"acidFrames": 375},
{"or": [
  "canInsaneJump",
  {"acidFrames": 450}
]}

Unlocks doors:

{"types": ["super"], "requires": []},
{"types": ["missiles", "powerbomb"], "requires": ["never"]}

Dev note: A crouch jump is not required. The leniency frames are worst-case scenario of not having enough time for the last jump, which is the most common way to fail.