You Called Me a Fake God of War, So Why Are You Begging Me Now That the Enemy Has Invaded?

I was framed by a villain, and a hundred thousand soldiers laid down their armor to demand justice for me! I am the Northern Guardian King of Great Xia. I guarded the northern frontier for eight years and once stood alone against a million invaders. But I was envied by a villain and betrayed by my wife. One divorce agreement left me with nothing! Now the ferocious dragon has broken free of its chains. The world will tremble beneath my feet!