Release the ceiling Sova while being careful not to kill it if using Power Bombs. Go through the ceiling morph tunnel and wait for the Sova on the other side.

Requires:

{
  "obstaclesCleared": [
    "A",
    "B"
  ]
}
"Morph"

Exit condition:

{
  "leaveWithGModeSetup": {}
}

Unlocks doors:

{"types":["ammo"],"requires":[]}