User blog comment:BladesOfJustice/Obsidian Generator/@comment-66.91.20.154-20110707092050

This = Money. Crafting 20 obsidian into skulls is quick with this method, and 1 skull is 54 silver. So, if you run the numbers, that is giving you 2.7 obsidian each time you hit the obsidian.My piggy bank will be filled with platinum in an hour.