Requires:

"Gravity"
{
  "canShineCharge": {
    "usedTiles": 23,
    "openEnd": 0
  }
}
{
  "or": [
    {
      "and": [
        "h_enemyDrops",
        "h_CrystalSparkWithoutLenience"
      ]
    },
    "h_CrystalSpark"
  ]
}

Dev note: No lenience, because Power Bombs can be farmed from the Scisers.