What makes an RPG heavy metal?

Lots of RPGs describes themselves as heavy metal. Today I will dare the task known to be impossible, but which every metalhead is drawn inexorably to do: I will decree what is and is not truly metal. Who am I to speak? I’ve never read a biography of Dave Mustaine, I’ve never seen the Big Four live, and I wasn’t born yet when a bat was orally decapitated in Des Moines. I don’t listen exclusively to metal; my musical tastes are diverse. Here is what I have done. I’ve spent a lot of late weekday nights at dive bars and clubs to see small metal bands play $20 shows. I moshed to Theft of the Hammer by Brotherhood of Metal at my wedding. As I write this, my wife is behind me sewing an Alien Weaponry back patch onto her battle vest. I’ve suffered a concussion that left me dazed for two weeks and permanently wrecked my left knee and my right wrist in mosh pits. My credentials are sweat, pain, and sacrifice. Metal 101If you already know what metal is, skip this part. But some people don’t…