123

Requires:

"canSuitlessLavaDive",
"Morph",
{"or": [
  {"and": [
    "canTrickyJump",
    {"disableEquipment": "SpeedBooster"},
    "canMockball",
    {"lavaFrames": 155}
  ]},
  {"lavaFrames": 200}
]},
{"or": [
  {"and": [
    "canSpaceJumpWaterBounce",
    {"or": [
      {"and": [
        "canPreciseSpaceJump",
        {"lavaFrames": 35}
      ]},
      {"lavaFrames": 60}
    ]}
  ]},
  {"lavaFrames": 150}
]}

Exit condition:

"leaveNormally": {}

Unlocks doors:

{
  "types": ["missiles"],
  "requires": [{"lavaFrames": 80}]
},
{"types": ["super"], "requires": []},
{
  "types": ["powerbomb"],
  "requires": [{"lavaFrames": 150}]
}