setTitle("Stone Age!")

setIcon("minecraft:stone_pickaxe")

setDescription("Craft a Stone Pickaxe to upgrade your aresenal")

setParent("triumph:stage0/upgrade")
setRequiresParent(true)

//Criteria
criteria = addCriteria("hasRock", "minecraft:inventory_changed")
criteria.setItem("minecraft:stone_pickaxe")

//Rewards
setRewardExperience(4)