Use the Covern to partial ceiling clip so your beam can reach the shot block of the ceiling at the end of the Morph tunnel to the left. It is possible to mid-air morph to get into the morph tunnel with nothing, from the Covern, the ground, or the stairs below.

Requires:

{
  "notable": "Partial Covern Ice Clip"
}
"canTrickyUseFrozenEnemies"
"canCeilingClip"
{
  "not": "f_DefeatedPhantoon"
}
"canRiskPermanentLossOfAccess"
{
  "or": [
    {
      "and": [
        "canCarefulJump",
        "canMidAirMorph",
        "canDisableEquipment"
      ]
    },
    "h_canUseSpringBall"
  ]
}

Clears obstacles: B