Rogue player control slayer

Looking for a way to escape reality Soel saw an opportunity he wouldn't miss out on. A fairy looking like creature named fina had told him he can save the world if only he accepted the her as a faithful servant.
The man had decided he works best solo so decided to turn down her request. How would he fare up against the rough life he had while awaiting the invasion about to go down by the end of the year. Being powerless is one thing but being a rogue is quite challenging. But come on this is an mc we all know how this is going to go down.
Author note.: This novel is just a test nothing special. Just to know my current level. Don't take it seriously. You can correct some mistake, it will be most helpful.'^°