
{
  "id": "proficiency",
  "key": "refinement.curios.proficiency",
  "type": ["curios:ring", "curios:necklace", "curios:belt", "curios:charm", "curios:bracelet"],
  "proficiency_cost": 10,
  "material": "ars_nouveau:experience_gem",
  "material_count": 1,
  "anvil_levels": 10,
  "bonuses": [
    {
      "property": "gearupgrades:mastery",
      "amount": 1,
      "operation": "addition"
    }
  ],
  "allowed_steps": [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
  "color": "green"
}