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

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}]}