There are at least six artists known under the name Gungnir:
These are videos from concerts where Gungnir played, so they may be of other bands that played the concert as well.
Calvarian / Gungnir / Alex Su Vago / Thrashgresor Dec 5, 2020 Federación, Entre Rios, Argentina Embedded by Muxx Credit: Muxx
Thrashgresor were missing one of their two guitarists during their set.