The protagonist awakens badly wounded. His mind is blank. He can't remember anything. He is alone, dying, and he doesn't know why. A widow and her daughter come across the man and look upon him with compassion. They bring him into their home and nurse him back to health. The made finds that even his status screen could no longer help him. He no longer had any skills and his stats were at base levels. He gets a message saying he can also no longer level up and will no longer have a class. He will now have the mastery system. The system will reward him when he learns new skills by improving his stats as he gains more competency in a certain skill. How will his life play out? Will he remember who he is? Read Rise of the Gravatonic Sword to find out.