Move quickly to avoid being hit by the Geruta before sparking. Samus can still take damage from the Geruta during the shinespark wind-up; this can be avoided by activating the spark quickly enough.

Entrance condition:

{
  "comeInShinecharged": {
    "framesRequired": 100
  }
}

Requires:

"canHorizontalShinespark"
{
  "shinespark": {
    "frames": 70,
    "excessFrames": 12
  }
}
"canShinechargeMovementTricky"
{
  "heatFrames": 290
}
{
  "or": [
    {
      "enemyDamage": {
        "enemy": "Geruta",
        "type": "contact",
        "hits": 1
      }
    },
    "canInsaneJump"
  ]
}