Once upon a time - there were people in this world called NPCs. You - a strong warrior - have the job to help them, because... well, because. They can't move and fight and stuff, so you have to do it. Even if they bragg a lot about their strength and way-to-much-work. Seems totally reasonable. As a reward they allow you to enter their shops. But they won't sell you anything, because - well, because you didn't prove yourself or something. Makes totally sense. To prove yourself they will give you ...