Press down precisely to gain the shinecharge while sliding off the ledge. Maintain the temporary blue state to break through the blocks at the bottom of the room. Reach the item while still having a shinecharge.

Entrance condition:

{
  "comeInShinecharging": {
    "length": 3,
    "openEnd": 1
  }
}

Requires:

"h_shinechargeSlideTemporaryBlue"
{
  "heatFrames": 140
}
{
  "shineChargeFrames": 140
}

Clears obstacles: A, B

Unlocks doors:

{"types":["super"],"requires":[]}
{"types":["missiles","powerbomb"],"requires":["never"]}