Entering Hardmode

Defeating the Wall of Flesh flips the world into Hardmode.

1. 1Get the Pwnhammer it drops.
2. 2Smash Demon/Crimson Altars to spawn Cobalt/Palladium, then Mythril/Orichalcum, then Adamantite/Titanium.
3. 3Mine the new ores and craft a Mythril Anvil and drill.
4. 4Expect new, tougher enemies everywhere and Hallow spreading.