Keep of Kalessin are an extreme-metal band from Norway.

The band features founder member, Arnt "Obsidian C." Grønbech - guitars/ keyboards/ vocals, plus

Robin "Wizziac" Isaksen - bass and Wanja "Nechtan" Gröger - drums.

They released their debut album, "Through Times of War" in 1997, followed by: "Agnen: A Journey Through the Dark" (1999), "Armada" (2006), "Kolossus" (2008), "Reptilian" (2010), plus 2015's: "Epistemology".

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