Farm Kihunters from below, keeping one alive. Knock its wings off and either freeze it or take a hit and use i-frames to run through it. Run across the left side of the broken shot block, then use the Kihunter to interrupt.

Entrance condition:

{
  "comeInWithRMode": {}
}

Requires:

"h_crouchJumpDownGrab"
{
  "or": [
    "canTrickyDodgeEnemies",
    {
      "enemyDamage": {
        "enemy": "Kihunter (green)",
        "type": "contact",
        "hits": 2
      }
    }
  ]
}
{
  "or": [
    "h_CrystalFlashForReserveEnergy",
    {
      "and": [
        "h_RModeCanRefillReserves",
        {
          "or": [
            {
              "partialRefill": {
                "type": "ReserveEnergy",
                "limit": 5
              }
            },
            {
              "and": [
                {
                  "partialRefill": {
                    "type": "ReserveEnergy",
                    "limit": 20
                  }
                },
                "canBeLucky"
              ]
            }
          ]
        }
      ]
    }
  ]
}
{
  "or": [
    "canUseIFrames",
    "canUseFrozenEnemies"
  ]
}
{
  "canShineCharge": {
    "usedTiles": 13,
    "openEnd": 2
  }
}
{
  "autoReserveTrigger": {
    "maxReserveEnergy": 95
  }
}
"canRModeSparkInterrupt"

Clears obstacles: C, D