Wood Pickaxe helps mine the soft dirt biome walls more quickly. All walls can be slowly broken by punching continuously (except obsidian). Start digging through the walls around you, aiming for any shiny stuff. This will get you some dirt and ore, so craft your furnace at the workbench. https://devinhrwaf.azzablog.com/30018078/pouco-conhecido-fatos-sobre-core-keeper-gameplay