Enter the room ready to kill the hoppers before they can hit Samus. with a charge plasma shot ready, or in a screw attack spin jump, or a morph, ready to lay a power bomb.

Requires:

"canPrepareForNextRoom"
{
  "or": [
    {
      "and": [
        "Plasma",
        "Charge"
      ]
    },
    "ScrewAttack",
    {
      "and": [
        "h_canUsePowerBombs",
        {
          "enemyKill": {
            "enemies": [
              [
                "Sidehopper"
              ]
            ],
            "explicitWeapons": [
              "Missile",
              "Super",
              "PowerBomb"
            ]
          }
        }
      ]
    }
  ]
}

Clears obstacles: C