Legacy of Keep of Kalessin

Behemoth is a Polish blackened death metal band from Gdańsk, formed in 1991. They are considered to have played an important role in establishing the Polish extreme metal underground with Vader and Hate.

Dimmu Borgir is a Norwegian symphonic black metal band from Jessheim, formed in 1993. The name is derived from Dimmuborgir, a volcanic formation in Iceland, the name of which means "dark cities" or "dark castles/fortresses" in Icelandic, Faroese and Old Norse. The band has been through numerous lineup changes over the years; vocalist Shagrath and guitarist Silenoz are the only original members who still remain.