This ambitious datapack attempts to recreate the entire Terraria: Calamity Mod in Minecraft. Currently adds:

2 New Bosses 200+ Items 10+ New Mobs 4 New Ores* 2 New Structures 6 New Armor Sets New Weapon Classes! (Magic, Ranger, Rogue, Summoner) Custom Accessory System! New Potion Effects** *No new ore blocks **no custom potion effect potions yet