Mythrias has opened for several bands including: Dark Tranquillity (second ever show), Exmortus, Insomnium, Omnium Gatherum, SepticFlesh, Moonspell, Vatnett Viskar, Act of Defiance, and Allegaeon. The word "Mythrias" is derivative of what some call the "Mithraic Mysteries." This was a mystery religion that came about in ancient Rome from around the 1st to 4th century AD that was focused around the Greek god Mithras. Absolving the Treacherous released earlier this year.