Pwnhammer

The Pwnhammer is a hammer that able to break Demon Altars, blessing the world with one of 3 of the new ores; Cobalt Ore, Mythril Ore, and Adamantite Ore (chosen at random).

Its appearance resembles the Excalibur, so they are likely to be crafted from the same material/found in the same area/dropped by the same enemy.

Trivia

 * The name is a reference to Super Mario Bros. X, a game Redigit has previously worked on.