Place a power bomb near the door, then move right and jump under the Holtzes to the first platform. Continue placing power bombs while avoiding the Holtzes and avoiding luring the third one to the right.

Requires:

"h_canNavigateHeatRooms"
"canCarefulJump"
{
  "enemyKill": {
    "enemies": [
      [
        "Holtz",
        "Holtz"
      ]
    ],
    "explicitWeapons": [
      "PowerBomb"
    ]
  }
}
{
  "heatFrames": 600
}