The Sage's Secret Heir

Aiden Shaw, a live-in son-in-law, is bullied by Kane Shaw. Aiden hides his strength. After saving Cora, he is harassed by Kane. Aiden reveals his strength, wins a competition, but is framed, meridians destroyed. The Sage of Mount Azurelark heals him, reveals his Martial God Physique and true identity as Sterling Clan's son. Aiden exposes Kane's conspiracy, rescues his parents. Kane seeks revenge but is defeated. Aiden reclaims identity, with Cora, becomes a powerhouse.