A Path too Easy?

Should Sir Gowther have received the ending he did in this story? Should he have been able to repent for the rape and murder of his people and if so, was his journey to repent long or difficult enough to counteract his transgressions from the past?

“He’d spoil the hopes of a maid to wed, and rape a young wife in her bed, and slay her husband too, and over cliffs old monks he’d drive and hang up priests on hooks, alive, and others he merely slew. To burn up hermits he thought a game; he set a poor old widow aflame, and those who escaped were few.” (196-204)