Opeth leader Mikael Åkerfeldt was recently interviewed by Fight + Music, an offshoot of the boxing/MMA-focused Fight Network. In the clip, which you can watch above, he discusses how Opeth got their start, how he prepares to go onstage, and more—but he also talks about whether he's ever been in a fight, what his health and exercise routines are, and other unexpected subjects. Watch now!

Opeth plan to release a new studio album in 2014. Their latest album, 2011's Heritage, is available everywhere now—grab a copy from the Roadrunner webstore!