Wait for the Sovas to wind around the room and reach the top door. This takes about 1 minute and 15 seconds.

Entrance condition:

"comeInNormally": {}

Requires:

{"heatFrames": 4600},
"canBePatient"

Exit condition:

"leaveWithDamage": {
  "enemy": "Sova"
}

Unlocks doors:

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