Gain a shinecharge running right-to-left to obtain temporary blue. Then jump and morph, bouncing through the tunnel above, with the crumble block already broken. Unmorph when exiting the tunnel, and chain temporary blue into the next room.

Requires:

{
  "obstaclesCleared": [
    "C"
  ]
}
{
  "canShineCharge": {
    "usedTiles": 16,
    "openEnd": 0
  }
}
"canTrickySpringBallBounce"
"canChainTemporaryBlue"

Exit condition:

{
  "leaveWithTemporaryBlue": {}
}

Unlocks doors:

{"types":["ammo"],"requires":[]}