Organizatorji češkega festivala Brutal Assault 2021 so najavili 20 novih nastopajočih bandov, in sicer: Ahab, Clutch, Death by Stereo, Die Krupps, Insomnium, John Garcia, Manes, Mors Principium Est, Nekrogoblikon, Onslaught, Phlebotomized, Red Fang, Regarde Les Hommes Tomber, Revocation, Rivers Of Nihil, The Black Dahlia Murder, Undergang, Vanessa, Vio-Lence, Winterfylleth.
Svoj nastop pa so odpovedali Birds In Row, KMFDM, Kvelertak, Svartidaudi, Vader in Wormrot.
