Double Stars of Swordsmanship: Starting from the Annihilation of the Door and Killing Through

I was twelve years old the night my family was killed. He watched helplessly as his parents were killed and his people were slaughtered. My brother hugged me and fled into the mountains, followed by pursuers. In a desperate situation, his brother fell into the abyss and picked up an ancient magic sword. That night, he was possessed by a demon. He killed his pursuers with one man and one sword. And I learned to calculate that night.