Wood → Stone → Iron (smelt iron ore) → dig deeper for Silver. A better pickaxe mines faster and reaches rarer ore. Enchant at an Enchanting Table; repair at an Anvil.
A lightless cavern of spiders, drow and driders — and the only source of the deepest ore: Platinum and Mithril (the best pickaxe there is).
I inventory · B recipes · H this guide · O settings · T chat · F eat · Q drop · V display the held item on a pedestal (right-click yours to take it back) · Z crawl · Tab players · Alt+right-click bridge out · Esc release mouse.