Luo Yu, a giant of swordsmanship of the generation, was betrayed by his best friend when he was trying to attack the Immortal Emperor Realm, and fell into a sea of thunder. However, with the help of God, a remnant soul accidentally traveled to a remote mortal realm hundreds of millions of years ago and possessed Su Chen, a young boy with mediocre talent and suffering from bullying. Su Chen was originally an orphan abandoned by his family, but his fate was completely changed by Luo Yu's arrival.
With the supreme knowledge of swordsmanship and the memory of the Immortal Emperor in his previous life, he emerged from the twilight years. Faced with the betrayal of the past and the dangers of the new world, Su Chen is no longer the aloof Galaxy Sword Emperor, but with a new identity, working step by step and changing his destiny against the will of heaven. He recasts the sword bone and reshapes the immortal foundation. Not only does he want to return to the top, but he also wants to explore the eternal mystery and uncover the real mastermind behind the "Thunder Sea of Ten Thousand Tribulations" and the real reason for his fall. This is a story about revenge, growth and exploration. A young man proves his way with a sword in another world, swims against the current, and finally controls his own destiny, a legend that shocks the heavens.
