Farm four of the pirates for drops, leaving the bottom pirate alive. Stun it with a Power Beam shot or i-frame past it. Perform a 1-screen shortcharge between the bottom doors, then hop back up to the bottom pirate's ledge and get shot at.

Entrance condition:

"comeInWithRMode": {}

Requires:

"canUseIFrames",
{"or": [
  "h_CrystalFlashForReserveEnergy",
  {"and": [
    "h_RModeCanRefillReserves",
    {"enemyKill": {
      "enemies": [
        ["Green Space Pirate (standing)", "Green Space Pirate (standing)"],
        ["Green Space Pirate (standing)", "Green Space Pirate (standing)"]
      ],
      "excludedWeapons": ["Missile"]
    }},
    {"resourceMissingAtMost": [{"type": "Missile", "count": 0}]},
    {"partialRefill": {"type": "ReserveEnergy", "limit": 20}}
  ]}
]},
{"or": [
  {"canShineCharge": {"usedTiles": 12, "openEnd": 0}},
  {"and": [
    {"or": [
      {"doorUnlockedAtNode": 3},
      {"doorUnlockedAtNode": 4}
    ]},
    {"canShineCharge": {"usedTiles": 13, "openEnd": 0}}
  ]},
  {"and": [
    {"doorUnlockedAtNode": 3},
    {"doorUnlockedAtNode": 4},
    {"canShineCharge": {"usedTiles": 14, "openEnd": 0}}
  ]}
]},
{"autoReserveTrigger": {"maxReserveEnergy": 95}},
"canRModeSparkInterrupt"

Unlocks doors:

{"nodeId": 3, "types": ["ammo"], "requires": []},
{"nodeId": 4, "types": ["ammo"], "requires": []}