Requires running a very precise distance of 12 tiles in the adjacent room (extra run speed exactly $3.1).

Entrance condition:

{
  "comeInJumping": {
    "speedBooster": true,
    "minTiles": 12
  }
}

Requires:

"canCrossRoomJumpIntoWater"
"canMomentumConservingTurnaround"
"canTrickyDashJump"
"canDownGrab"
{
  "or": [
    "canCrouchJump",
    "Gravity",
    "HiJump",
    "canSpringBallJumpMidAir",
    {
      "and": [
        "canTrickyUseFrozenEnemies",
        {
          "ammo": {
            "type": "Super",
            "count": 1
          }
        }
      ]
    }
  ]
}