Fantasy: Achievement to the Strongest

Zhang Zhiyuan traveled to another world, became a student, and awakened the system panel. The Nine-Level Thunder Sword was upgraded to the third level, and the Heaven-defying Seven Demon Sword was upgraded to the seventh level. Sign-in rewards: The Emperor's Weapon Wu Shi Clock, the alien version of Superman's cells, and the most powerful talent that can transform all three realms in one breath. Sign in to all things and become the strongest! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.