A short hop from the door can bounce on the crumbles. Just be careful of being pushed back onto the crumble blocks by the spikes.

Requires:

"canXMode"
"h_XModeSpikeHit"
"h_XModeSpikeHit"
"canTrickyJump"
"canMidairShinespark"
"h_canShineChargeMaxRunway"
{
  "heatFrames": 400
}
{
  "shinespark": {
    "frames": 12,
    "excessFrames": 4
  }
}