Entrance condition:

"comeInWithGMode": {
  "mode": "any",
  "morphed": false
}

Requires:

"canDash",
{"or": [
  {"and": [
    {"lavaFrames": 150},
    {"spikeHits": 7}
  ]},
  {"and": [
    {"notable": "Suitless Damage Boosts"},
    {"lavaFrames": 80},
    {"spikeHits": 3},
    "canUseIFrames",
    "canHorizontalDamageBoost"
  ]},
  {"and": [
    "Gravity",
    {"disableEquipment": "SpeedBooster"},
    {"lavaFrames": 100},
    {"spikeHits": 2},
    {"or": [
      "canUseIFrames",
      "canHorizontalDamageBoost"
    ]}
  ]},
  {"and": [
    {"notable": "Frozen Maw Platforms"},
    "canResetFallSpeed",
    "canTrickyUseFrozenEnemies",
    "canTrickyJump",
    "canHorizontalDamageBoost",
    "canUseIFrames",
    {"spikeHits": 2},
    {"lavaFrames": 15}
  ]}
]},
"h_heatedGModeOpenDifferentDoor"

Dev note: FIXME: Grapple could maybe be used to skip some damage by partially swinging across the room.