The Supreme Dragon Son-in-Law

When a wolf turns back, it is either to seek revenge or repay a debt of gratitude. Ten years later, the king returns in a trail of blood. Has he come for revenge, or to repay a debt? He was once the most inconspicuous face in a sea of people, as insignificant as dust, his life or death barely enough to cause a ripple. But now, wherever he goes becomes the eye of the storm, and the summit no one else can reach!