Install the Calamity Mod and create or load a world that supports the mod
Obtain the Frostblessed Seed from the appropriate Calamity source or drop
Place...
Use strong post-Plantera or early-Post-ML gear
Fight in open ocean space with long horizontal room
Build an arena with platforms, campfires, heart lanterns, and honey
Use wings,...
Mine Orichalcum Ore in the Underground Hallow after defeating the Wall of Flesh and smashing Demon Altars or Crimson Altars
Use a Palladium or Cobalt...
Use strong pre-Moon Lord gear
Fight in a long, open ocean arena
Keep moving constantly to avoid charges
Use ranged or magic weapons for safer damage
Equip accessories...
