in the world of diablo

A lucky or unlucky fellow is sent into the world of Diablo on the hardcore mode because if he manages to beat the game in all difficulties he'll be able to go home. that is only if he manages to survive but here's the twist he doesn't choose a class! making this adventure even more treacherous for him as he has to learn all that he can to leave another day! So with these restrictions in mind how will he survive? I don't own the image so if the owner wants it down just tell me.