In This video i will show you how to get hardmode ores the easy way using potions You will need the Shine Potions as well as the Spelunker potions and you need to beat the wall of flesh in order for this to have any effect.

Because of this, it's better to look for a new weapon before going down into the Caverns to mine the new ores. The easiest way to obtain Hardmode ore is mining them on the ceiling of hell, as hell won't get any new difficult enemies immediately up