||This article is about the high-tier ore alternative in Save the World. For the common crafting material, see Quartz Crystal. For the Battle Royale outfit, see Crystal (outfit).
Crystal is a type of crafting ingredient. It is used to craft Tier 4 and higher Weapons. Upon upgrading a weapon schematic to Tier 4, the player is given the option to choose between the Ore and the Crystal of that tier. Crystal weapons have 20% more base damage, 10% less fire rate, and 20% less durability than Ore weapons of the same tier.