Crystal Flash after getting past the Metarees, or else run through the bomb wall and farm Reos and Zeelas. Leave one Reo or Zeela alive. Build a Shinespark then get hit by the remaining enemy to interrupt.

Entrance condition:

{
  "comeInWithRMode": {}
}

Requires:

{
  "or": [
    "h_CrystalFlash",
    {
      "and": [
        "h_RModeCanRefillReserves",
        {
          "resourceMissingAtMost": [
            {
              "type": "Missile",
              "count": 0
            }
          ]
        },
        {
          "partialRefill": {
            "type": "ReserveEnergy",
            "limit": 20
          }
        }
      ]
    }
  ]
}
"h_shinechargeMaxRunway"
{
  "autoReserveTrigger": {}
}
"canRModeSparkInterrupt"

Clears obstacles: A