Use Hijump or one walljump on the left before a diagonal spark.

Entrance condition:

{
  "comeInShinecharged": {
    "framesRequired": 60
  }
}

Requires:

"canMidairShinespark"
"canShinechargeMovement"
{
  "or": [
    "HiJump",
    "canWalljump"
  ]
}
{
  "shinespark": {
    "frames": 45,
    "excessFrames": 11
  }
}