The Regressed Genius Magic Swordsman

Synopsis

After a century-long war against demons, humanity's last warrior, Xavier, dies with regrets. He is then reborn with the magic talent he lacked in his previous life. Vowing revenge and determined to protect his loved ones, he trains to become a powerful magic swordsman. A twist of fate leads him to the Abyss, where he encounters a sick World Tree and a goddess. As Xavier seeks to unravel the world's mysteries, he must confront the approaching demon threat. Will his regressed knowledge and newfound magical abilities be enough to defy destiny and protect what he failed to save before, or is he doomed to repeat his tragic past?