Finnish folk metal group Korpiklaani (Finnsh for “Wilderness Clan”), will be taking North America by storm throughout the fall. Touring in support of Ukon Wacka, the latest release from the clan, The Gramercy Theatre will host them as well as metal bands Arkona, Polkadot Cadaver, Forged In Flame and Yonder Realm on Nov. 25. Having matured from their folk roots of Shaman, the band has steadily progressed in the metal world. Tickets are $20; show at 7 p.m.