Wall jump up the right wall and use a mid-air wiggle to reduce the height of Samus' hitbox after the walljump, to be able to fit through the gap without morphing.

Entrance condition:

{
  "comeInShinecharged": {
    "framesRequired": 120
  }
}

Requires:

"canWalljump"
"canMidairWiggle"
"canShinechargeMovementTricky"
{
  "or": [
    "f_KilledMetroidRoom2",
    "canMetroidAvoid"
  ]
}

Exit condition:

{
  "leaveShinecharged": {
    "framesRemaining": "auto"
  }
}