setTitle("It Keeps Going... and Going...") setIcon() setTranslatedDescription("advancement.sf4.age_power.powercellmedium.description") addParent("sf4:age_power/powerCellLow") //Criteria criteria = addCriteria("Obtain Medium Powercell", "minecraft:inventory_changed") criteria.addItem() setRewardExperience(10) alwaysVisible() setPos(-285,221)