Reincarnated President

...having accumulated so much power for his kingdom , other nations became envious of him and started demanding he step down and the capacities of his kingdom be reduced. All the kingdoms of the world came together under a united front and threatened to wage a world war on his kingdom. He did not step down.  After that , all I saw were entire continents engulfed in flames , and he on top of a flying vehicle cruising above it all. He watched it all with a blank look on his face , his silver eyes taking in every detail without blinking...