Fantastic book

The Realm of Sword Sovereigns, the pinnacle of the sword path. Yun Yi, a killer adopted since childhood. In the last second of his life, he understood. Yet, it was all in vain. Heaven gave him another chance. "The regrets of my past life must be rectified." "To protect family, to protect friendship, to protect love!" "Anyone who attempts to take away what I cherish will pay the price! No matter who they are!"