There is just enough runway below the left door to build a shinespark.

Requires:

{"notable": "Reverse Acid Dive"},
{"obstaclesNotCleared": ["A"]},
"h_heatProof",
"Gravity",
"canSuitlessLavaDive",
{"canShineCharge": {"usedTiles": 13, "openEnd": 1}},
{"shinespark": {"frames": 55, "excessFrames": 0}},
{"acidFrames": 600}

Unlocks doors:

{"types": ["super"], "requires": []},
{"types": ["missiles", "powerbomb"], "requires": ["never"]}

Dev note: This strat is only used to avoid walljumping.