Memoirs of Demon Lord

In Darkness there is Light In Doubt there is Faith In Fear there is Courage In Despair there is Hope In Love there is Hate What make one a Demon Lord and what make one a Hero? Why must the Hero fight the Demon Lord? No one really know nor understand the existence that is known as Demon Lords? Why do they exist? Why do they always wished to conquer the world? For what purpose? It seem that every time there is a Demon Lord, all would put their hands on deck and try to exterminate said Demon Lord. Is it a game? A game like tag or hide and seek? Is it a game of chess then, where we are all pawns, to be used and put into whatever roles the players decided? Come within, perhaps within these stories, there is a clue, there might be a truth to the existence that is known as Demon Lords. Warning: cruel depictions