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",
    "canSpringBallJumpMidAir",
    "canPreciseGrapple",
    "canInsaneWalljump",
    {
      "and": [
        "HiJump",
        "canWalljump"
      ]
    },
    {
      "and": [
        "HiJump",
        "SpeedBooster"
      ]
    },
    {
      "and": [
        "canStaggeredIBJ",
        "canDoubleBombJump",
        "canBombHorizontally"
      ]
    },
    "h_IBJFromSpikes",
    "canCeilingBombJump",
    {
      "and": [
        "canBombHorizontally",
        "canIBJ",
        "h_canUsePowerBombs"
      ]
    }
  ]
}
{
  "heatFrames": 0
}

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