The second annual Rockstar Energy Drink Mayhem Festival, led by headliners Slayer [ tickets ] and Marilyn Manson [ tickets ], kicked off its 27-city run Friday (7/10) in the Sacramento, CA, area.

The lineup, described by the event's official press release as a "Godzillian-sized," includes All that Remains, Behemoth [ tickets ], Bullet for My Valentine [ tickets ], Killswitch Engage [ tickets ], God Forbid [ tickets ], Cannibal Corpse [ tickets ] and Trivium [ tickets ]. Death-defying stunts by the Freestyle Motocross team Metal Mulisha add to the edgy vibe.