With a precise enough jump, it's possible to avoid acid damage without a shinespark.

Requires:

{
  "or": [
    "f_DefeatedCrocomire",
    {
      "obstaclesCleared": [
        "f_DefeatedCrocomire"
      ]
    }
  ]
}
"SpeedBooster"
"canTrickyJump"
"canWalljump"