Green Brinstar Main Shaft: Use Flash Suit, Cross-Room Speedy Jump, Diagonal Spark

Room ID: 44

Wiki
From: 10
Right Etecoon Shaft - Bottom Left Door
To: 14
Right Etecoon Shaft - Wall Jump Climb Checkpoint Junction

With a runway of at least 4 tiles in the adjacent room, jump just before hitting the right wall then spark diagonally to the right at the top of the jump.

Entrance condition:

{
  "comeInRunning": {
    "minTiles": 3.4375,
    "speedBooster": true
  }
}

Requires:

{
  "useFlashSuit": {}
}
{
  "shinespark": {
    "frames": 21,
    "excessFrames": 12
  }
}