The King — John Norman

A corrupt, vast empire spans galaxies, ruling by terror, slavery, and the lash. But on a thousand worlds of swords and science, the savage souls of true men will not be chained. A heroic tide is rising--and one warrior is born to lead the barbarian horde...

NIGHT OF THE VANDALS
To recruit his legion of space barbarians, the giant gladiator Otto must win their fierce loyalty, world by world, in lethal combat against monsters, men, aliens, and beautiful, murderous slaves -- while Imperial conspirators plot Otto's assassination, and an evil warlord's brutal army prepares to unleash genocidal horror across the stars!