Darkness monarch

On Tamera where the Mc is the weak are bullied,killed and abused the strong are worshiped and loved in this world simply the strong live and the weak die. The Mc is a poor weak person depressed and an drug addict and goes by the name of Adriel which stands for an fallen angel. He's family was killed in front of him by an SS rank hunter who's he's parents overeded. The Mc own a small house with and room and toilet nothing else and the room is about 300 cm  width and and 350 cm heighth. He became depressed not only from his entire family's death but the bullying at school he then stopped going to school started smoking and drinking and stayed home in he's small room."l really want to die just sleep just go l can't evens think right this drugs really do have an affect". He then slet he's reast and died but there was still hope no not light came and saved him darkness came it showed him the universe how it is how they kill and rap out of enjoyment how they say this plot of land is mine and how they fight over land. He then woke up from the peoples screams and terror. He looked up and saw a back cloud it was nothing just black and it said "do you see how the world is no universe is it's a cruel place l have been weaken to the point of not being able to influence the universe and dimensions by light when it awoke or came to be everything changed monsters came to be planets and life came to be this started wars and other dimensional conflicts the universe is a very big and and none end able place. So l came to you because I needed your help to change everything. " why come to me u could go to an stronger and better person Why come to me". Because u are the best choice to put it simply u  have nothing to love or lose plus u are young only 15 years old. A stronger person holds no value plus holy magiciana,priests and nights believe in light. I can change your life give you power to change the world no the dimensions."But still" BUT STILL WHAT THE WORLD ISN'T A HAPPY PLACE YOU MUST FIGHT DO YOU WANT POWER. He greets he's teeth and says "yes l will do it I will become an existence that everything and everyone will fear".