123

Entrance condition:

{
  "comeInWithGrappleSwing": {
    "blocks": [
      {
        "position": [
          5,
          2
        ],
        "note": "The Moat, Double Chamber, Wrecked Ship Energy Tank Room"
      },
      {
        "position": [
          2.375,
          4.5625
        ],
        "note": "Post Crocomire Farming Room"
      }
    ]
  }
}

Requires:

"canTrickyGrappleJump"

Clears obstacles: door_1

Dev note: Coming from Grapple Tutorial Room 2 does not work (with or without HiJump), as it's not possible to gain enough horizontal speed.