He was once the most mysterious and powerful individual soldier king in the world, and belonged to China's top-secret force "Long Yuan". During a mission called "Gate to Purgatory", which is the highest level and is known as "Ten Deaths, No Life", he accidentally sacrificed/disappeared. In fact, his soul traveled through time and space and returned to the lowest point in his life 10 years ago when he had just retired from the army. Bind the "Strongest Soldier King System" with you.
