Extremely metal photos of Slayer and fans at Tampa’s MidFlorida Credit Union Amphitheatre

Slayer is on a farewell tour won’t end until 2020, and on Friday the pioneering Southern California thrash band — one of metal’s big four alongside Metallica, Anthrax and Megadeth — brought the black cloud to MidFlorida Credit Union Amphitheatre where Amon Amarth, Lamb of God and Tampa’s own Cannibal Corpse opened the show.