Fantasy: Become Invincible from a 100-Year-Old Veteran

Thirty thousand years ago, the seven kings guarded the imperial city, the herdsmen guarded the frontiers, and fought bloody battles in the sky to block foreign lands from the abyss. Thirty thousand years later, this imperial city was forgotten, seven kings died in battle, children, women and children wore armor to fight, and the imperial city was about to fall. Yu Fan traveled through time and fought for hundreds of years without changing his original intention, and finally activated the Sword God System before his death. The formless sword body is so complete that it can take on the immortal soldiers with bare hands. One billion and eighty million sword species, one sword can cut off eternity. ... I dare to ask who in the world dares to claim to be invincible and who claims to be invincible? Yu Fan said: I am invincible in the long river of time. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.