Demon King Taking Over The World

Igdran, a Demon King, wants to rule the world, but it's harder than he thought. After being seriously injured by heroes he goes into a deeb slumber to recover. 500 years later the magic has greatly diminished. He hopes that in this now weakened world he can rule over all. This is my first novel hope you like it. Also note that English isn't my first language so please forgive any gramma mistakes. PLEASE NOTE! The cover is not mine. Credit goes to the respective owner.