They sit on this riff for awhile at different times in the song. Sometimes with some effect like a phaser or wah or something. Maybe sometimes he bends up a half step on the last 3 or 4 A's on the 8th fret. He left the northern hills to seek his fortune A lone barbarian with only death lust to guide He carved a kingdom of stone King Conan, sitting on his bloody throne His black mane sweeps across his face Grim and silent with a steely blue gaze Like a panther ready to strike His blade crashes (guitaretab.com)
