Liber Necris
Quintet Liber Necris were formed in 2010 in Leeds, U.K., and they debuted in December 2011 with the EP The Immutable Aversion, which was self-released, and entirely produced, engineered, mixed and mastered by the famous Wieslawski-brothers Wojtek and Slawek (think: Behemoth, Sideblast, Vader, Unearthly, Hate etc.).