 Stian "Occultus" Johansen briefly joined after Dead's suicide on vocals and bass.Between 1992 and 1993, Mayhem recorded their debut full-length studio album with vocalist Attila Csihar and bassist Varg "Count Grishnackh" Vikernes.On 10 August 1993, Vikernes murdered Euronymous after a struggle between the two which resulted in the bassist fatally stabbing the guitarist.