Entrance condition:

{
  "comeInWithGrappleTeleport": {
    "blockPositions": [
      [
        3,
        13
      ]
    ]
  }
}

Unlocks doors:

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

Dev note: This doesn't require `canGrappleTeleportWallEscape` tech, because the lower floor makes it easier.