Cross more than half way across the room until a Sova falls from the ceiling then follow it back and forth across the room. Alternatively, to save a lot of Energy, use a Super to knock off the Sova just before that, while it is on the right side of it's thin platform.

Requires:

{
  "heatFrames": 1780
}
{
  "or": [
    {
      "ammo": {
        "type": "Super",
        "count": 1
      }
    },
    {
      "heatFrames": 2050
    }
  ]
}

Exit condition:

{
  "leaveWithGModeSetup": {}
}

Unlocks doors:

{"types":["missiles","super"],"requires":[]}
{"types":["powerbomb"],"requires":["never"]}