User blog comment:Minievo1028/Help me kill ocram, skeletron prime, or the twins/@comment-8943015-20130518104057

and materials are not that scarce for these. have a pre-hardmode world are then you can get lenses easier. bones are extremely easy to get but the materials for Ocram take a long time to harvest. best bet is get spelunker potions, go mining with a nearly empty inventory and mine as much copper, iron and adamantite as possible. also creating a large space where plenty of enemies can spawn in an underground hallow and underground corruption makes souls easy to obtain