The Multiviola can be killed by aiming diagonally down when entering the room and shooting a strong enough beam shot (not ice).

Requires:

{
  "or": [
    {
      "obstaclesCleared": [
        "E"
      ]
    },
    {
      "and": [
        "canPrepareForNextRoom",
        {
          "or": [
            "Plasma",
            {
              "and": [
                "Charge",
                {
                  "or": [
                    "Wave",
                    "Spazer"
                  ]
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}
{
  "heatFrames": 100
}

Exit condition:

{
  "leaveWithRunway": {
    "length": 7,
    "openEnd": 1
  }
}