Cross the room with Bombs and minimal damage. Some acid damage is expected, but any mistakes greatly increases the time spent in acid.

Entrance condition:

"comeInRunning": {
  "speedBooster": "any",
  "minTiles": 3
}

Requires:

{"notable": "Bombs"},
"canWallJumpInstantMorph",
"canInsaneJump",
"canResetFallSpeed",
"canUnmorphBombBoost",
"canHBJ",
"canSuitlessLavaDive",
{"heatFrames": 1320},
{"acidFrames": 128}

Unlocks doors:

{"types": ["missiles", "super"], "requires": []},
{
  "types": ["powerbomb"],
  "requires": [
    {"heatFrames": 50},
    {"acidFrames": 50}
  ]
}