Jump onto the crumble blocks to make them solid, then use them as a platform to cross the room.

Entrance condition:

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

Requires:

{"or": [
  {"and": [
    "ScrewAttack",
    {"noBlueSuit": {}}
  ]},
  "h_usePowerBomb",
  {"ammo": {"type": "Missile", "count": 2}},
  {"ammo": {"type": "Super", "count": 1}}
]},
"canIBJ",
"canBombHorizontally",
{"heatFrames": 0}