Jump onto the crumble blocks to make them solid, then use them as a platform to cross the room. With Grapple, a running jump then single Grapple swing can be used before PLMs are overloaded, alternatively jump on the crumble blocks and Grapple the Ripper.

Entrance condition:

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

Requires:

"Morph",
{"or": [
  "SpaceJump",
  "canCeilingBombJump",
  {"and": [
    "canStaggeredIBJ",
    "canDoubleBombJump",
    "canBombHorizontally"
  ]},
  {"and": [
    "canBombHorizontally",
    "canIBJ",
    "h_usePowerBomb"
  ]},
  {"and": [
    "canDash",
    {"or": [
      "canTrickySpringBallJump",
      "canInsaneWallJump",
      {"and": [
        "HiJump",
        "canWallJump"
      ]},
      {"and": [
        "HiJump",
        "canSpeedyJump"
      ]},
      "h_IBJFromSpikes"
    ]}
  ]},
  {"and": [
    "canPreciseGrapple",
    {"or": [
      "canDash",
      "canUseEnemies",
      "canInsaneJump"
    ]}
  ]}
]},
{"heatFrames": 0}

Dev note: With Grapple, Morph isn't needed, but there's no reason to go there without Morph.