Complex sentence: Deströyer 666 are an Australian metal band formed in 1994 by guitarist K.K. Warslut, following his departure from the cult black metal band Bestial Warlust.
Split into simpler sentences: Deströyer 666 are an Australian metal band formed in 1994 by guitarist K.K. Warslut. Warslut formed the band following his departure from the cult black metal band Bestial Warlust.