The Owtch can be killed with a Power Bomb or blue speed, or while it is moving leftward with a Super, Charge, or Plasma.

Requires:

{
  "or": [
    "h_usePowerBomb",
    "Plasma",
    "Charge",
    {
      "haveBlueSuit": {}
    },
    {
      "ammo": {
        "type": "Super",
        "count": 1
      }
    },
    {
      "and": [
        "Gravity",
        {
          "getBlueSpeed": {
            "usedTiles": 16,
            "gentleUpTiles": 2,
            "gentleDownTiles": 2,
            "steepUpTiles": 1,
            "openEnd": 1
          }
        }
      ]
    }
  ]
}

Clears obstacles: A

Dev note: FIXME: Add alternatives that evade the Owtch rather than killing it (either here or on the strats that rely on obstacle 'A' cleared).