Amon Amarth – Mayhem Festival – First Niagara Pavilion – 7/12/2013 seanb July 17, 2013 [Show picture list] Tags: Amon Amarth Deceiver of the Gods First Niagara Pavilion Mayhem Festival Rockstar Energy Drink Vikings Continue Reading Previous Pittsburgh’s Own Danielle BarbeNext Mastodon – Mayhem Festival – First Niagara Pavilion – 7/12/2013