My Former God of War Wants Me to Enter the National Destiny to Survive?

In the era of martial arts, evil beasts raged, small countries perished, and big countries disintegrated. The Dragon Kingdom struggled to sustain itself with its unified belief. Until Fang Xia became the God of War and led mankind to annihilate the evil beasts in one fell swoop, he himself fell asleep to recuperate due to serious injuries. Two hundred years later, the spiritual energy declined and the martial arts disappeared. Fang Xia, who was sleeping, heard a voice: [You have been selected as one of the representatives of the Dragon Kingdom to participate in this national game, please be prepared. Fang Xia:? ? ? I am a god of martial arts, and you want me to participate in the national games to survive?