Ancients Awakened/Viking Relic

Viking Relic is a Pre-Hardmode ore which generates in the Ice biome upon Skeletron's defeat or can be obtained from extracting Slush Blocks. It is used to craft s and s at Furnace. It requires at least an Nightmare Pickaxe or Deathbringer Pickaxe to mine. It is also dropped by Undead Vikings and Armored Vikings.