Requires a runway of one tile in the adjacent room.

Entrance condition:

{
  "comeInJumping": {
    "speedBooster": false,
    "minTiles": 1
  }
}

Requires:

"canJumpIntoIBJ"
"canTrickyJump"
"canCrossRoomJumpIntoWater"
"canMomentumConservingTurnaround"
{
  "enemyDamage": {
    "enemy": "Mochtroid",
    "type": "contact",
    "hits": 2
  }
}

Dev note: Possible with no openend using a harder jump but a runway that small doesn't exist.