Only requires a runway of approximately 1 tile in the adjacent room. Take two Mochtroid hits or kill it using a Power Bomb or 5 Bombs.

Entrance condition:

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

Requires:

"canJumpIntoIBJ",
{"or": [
  {"ammo": {"type": "PowerBomb", "count": 1}},
  {"and": [
    "canCeilingBombJump",
    {"enemyDamage": {"enemy": "Mochtroid", "type": "contact", "hits": 1}}
  ]},
  {"and": [
    "canDoubleBombJump",
    {"enemyDamage": {"enemy": "Mochtroid", "type": "contact", "hits": 2}}
  ]},
  {"enemyDamage": {"enemy": "Mochtroid", "type": "contact", "hits": 3}}
]},
"canCrossRoomJumpIntoWater",
"canBufferedMomentumConservingTurnaround",
"canTrickyJump"

Dev note: The rhythm for placing 4 Bombs quickly is the main component of ceiling bomb jumps. canTrickyJump for the IBJ more than the through-door jump.