Talk:Cobalt Ore/@comment-189.121.214.61-20111217223719/@comment-71.51.100.238-20111223153748

Not neccesarily. You will have two sets of each mineral in that world, as it cycles between Cobalt, Mythril, and Adamantite. I play a Large world, so I broke quite a few Demon Alters before getting my first set of Cobalt. Yay.