Taking damage off a Dessgeega at the far right, coming in from the top, allows you to charge a blue suit and get through to the door.

Requires:

{
  "or": [
    {
      "obstaclesCleared": [
        "F"
      ]
    },
    {
      "and": [
        "canUseIFrames",
        {
          "enemyDamage": {
            "enemy": "Dessgeega",
            "type": "contact",
            "hits": 1
          }
        }
      ]
    }
  ]
}
{
  "getBlueSpeed": {
    "usedTiles": 23,
    "openEnd": 2
  }
}
{
  "heatFrames": 200
}

Clears obstacles: C, E

Unlocks doors:

{"types":["missiles"],"requires":[{"heatFrames":30}]}