Walk into a Spike and then Morph-Kago through the top Spike-Platform.

Requires:

"canKago"
"Morph"
"canUseEnemies"
{
  "spikeHits": 1
}
{
  "heatFrames": 250
}

Exit condition:

{
  "leaveWithRunway": {
    "length": 8,
    "openEnd": 0
  }
}

Unlocks doors:

{"types":["missiles"],"requires":[{"heatFrames":50}]}
{"types":["super"],"requires":[]}
{"types":["powerbomb"],"requires":[{"heatFrames":110}]}

Dev note: About equivalent to waiting, if there is no form of damage reduction.