A 100-Year-Old Veteran Shocks the World by Beheading the Gods at the Beginning

When a centenarian veteran goes to the battlefield, is this a distortion of human nature or a loss of morality? Xu Xinghun traveled through the parallel world and became the first batch of soldiers to resist gods and demons. Unfortunately, his qualifications were mediocre and he had no glorious deeds. On this day, gods and demons invaded. The human army was easily destroyed, and the warriors suffered heavy casualties. At the critical moment of life and death, a veteran appeared in front of the world with a three-foot sword on his back. Xu Xinghun was as determined as ever. Veterans will never die! The heroic soul is immortal. Xu Xinghun only made one strike, and the gods and demons dissipated. At this moment, the world was shocked. After killing the gods and demons, Xu Xinghun was shocked to find that a strange voice appeared in his mind. Ding, the system is activated. The system that was a hundred years late was actually activated? Xu Xinghun was confused. Why didn't the system come earlier? What shocked Xu Xingye even more was that his grandson was actually the protagonist? Is there a system? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.