Psycho Las Vegas - 08/20 EMPEROR (2021 USA EXCLUSIVE PERFORMANCE), BLUE ÖYSTER CULT, MAYHEM, GZA (PERFORMING LIQUID SWORDS), SATYRICON, WATAIN, OBITUARY, HEALTH, PAUL CAUTHEN, CEPHALIC CARNAGE, EXHORDER (PERFORMING SLAUGHTER IN THE VATICAN), KING DUDE, PINBACK, THIS WILL DESTROY YOU, KHEMMIS, MGLA, TWO MINUTES TO LATE NIGHT, MOTHERSHIP, CLAUDE FONTAINE, HIPPIE DEATH CULT, FOIE GRAS, ALMS, TOKE, LORD BUFFALO, MOTHER MERCURY, DJ PAINKILLER, DJ SCOTT SELTZER at Mandalay Bay (August 20)