Breaking the Power Bomb blocks exactly wide enough makes it easier to quickly enter the one-tile gap. Aligning the Power Bomb with the left side of the ceiling fixture that sticks down will position the explosion correctly for this.

Requires:

{
  "or": [
    "h_canUsePowerBombs",
    {
      "obstaclesCleared": [
        "C"
      ]
    }
  ]
}
"canShinechargeMovementComplex"
"canFastWalljumpClimb"
{
  "canShineCharge": {
    "usedTiles": 42,
    "openEnd": 0
  }
}
{
  "shinespark": {
    "frames": 17,
    "excessFrames": 3
  }
}

Clears obstacles: A, B, C