The Precious Room: Cross Room HiJumpless Double SpringBall Jump with Bombs

Room ID: 192

Wiki
From: 2
Bottom Left Door
To: 1
Top Left Door

Only requires a runway of approximately 0.5 tiles in the adjacent room. SpringBall jump once on the way up, then use a Bomb to buy just enough time for a second SpringBall jump.

Entrance condition:

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

Requires:

"canCrossRoomJumpIntoWater"
"canUnderwaterBombIntoSpringBallJump"
"canDoubleSpringBallJumpMidAir"