Requires:

{
  "or": [
    "canPrepareForNextRoom",
    {
      "enemyDamage": {
        "enemy": "Beetom",
        "type": "contact",
        "hits": 2
      }
    }
  ]
}
{
  "resetRoom": {
    "nodes": [
      1
    ]
  }
}
"h_10PowerBombCrystalFlash"

Clears obstacles: A

Dev note: Resetting the room could be required to farm a bit of energy to get above health-bomb range, to ensure a Power Bomb drop.