Enter with a falling pose in order to be able to spark immediately on entry. This may require a quick drop through the sand in the room above. Avoid entering too far to the right or Samus will be hit by the Evir.

Entrance condition:

{
  "comeInShinecharged": {},
  "comesThroughToilet": "any"
}

Requires:

{
  "shineChargeFrames": 10
}
"h_navigateUnderwater"
"canShinechargeMovementComplex"
"canHorizontalMidairShinespark"
"canPrepareForNextRoom"
{
  "or": [
    {
      "and": [
        "Gravity",
        {
          "shinespark": {
            "frames": 34,
            "excessFrames": 12
          }
        }
      ]
    },
    {
      "shinespark": {
        "frames": 39,
        "excessFrames": 15
      }
    }
  ]
}

Dev note: Frames are all assuming a toilet entry, frames could be reduced slightly if entering in a more favorable position. While the shinecharge frames could be smaller, this gives a small buffer to orient the direction Samus is facing in the room above. FIXME: It is possible to come in with Gravity and more frames, jump off the sand and pillar, and hero shot spark out the door.