Terraria-calamity-hardmode-ores -

When the "Early Hardmode Progression Rework" is enabled in your mod configuration , the ores generate as follows:

Found in the Abyss and can be mined after defeating Golem . terraria-calamity-hardmode-ores

Found in the Ice Biome after defeating Cryogen and two mechanical bosses. When the "Early Hardmode Progression Rework" is enabled

Found in the Brimstone Crag after defeating at least one mechanical boss. terraria-calamity-hardmode-ores

Spawns in the Underground Jungle after defeating Plantera .