Martial Arts Subdue the Realm

He transmigrates and wakes up in bed with a princess, then is forced into a deadly succession struggle. Starting as a pawn, he becomes the one moving the pieces, subdues the Great Zhou with his martial prowess, and helps a wise ruler take the throne. He proves the Dao through martial arts and becomes the greatest immortal in the mortal realm. After ascending to the immortal domain, he draws his sword against the Immortal Emperor to save his wife. This is no mere comeback story: it is the legend of a mortal who stands shoulder to shoulder with the gods.