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

Requires:

"canXMode"
"h_XModeSpikeHit"
"h_XModeSpikeHit"
"canTrickyJump"
"canUseIFrames"
"canMidairShinespark"
"h_canShineChargeMaxRunway"
{
  "heatFrames": 480
}
{
  "shinespark": {
    "frames": 11,
    "excessFrames": 4
  }
}