Fire up from below and try not to jump too high as that will out the camera in a bad position.

Requires:

"h_canNavigateHeatRooms"
"Ice"
"Wave"
"Spazer"
{
  "or": [
    "Charge",
    "canCarefulJump",
    "h_heatProof"
  ]
}
{
  "or": [
    "h_canCrouchJumpDownGrab",
    "canWalljump",
    "HiJump",
    {
      "and": [
        "canSpringBallJumpMidAir",
        {
          "heatFrames": 120
        }
      ]
    },
    "SpaceJump",
    {
      "and": [
        "h_canIBJ",
        "h_heatProof"
      ]
    },
    {
      "and": [
        "h_canSpringBallBombJump",
        "h_additionalBomb",
        "h_additionalBomb",
        {
          "heatFrames": 250
        }
      ]
    }
  ]
}
{
  "heatFrames": 1520
}

Clears obstacles: A