Release that Weak

In a blink of an eye, Nos Ukog, a Universe second to none top fighter is reincarnated as Dlanor Weaklington, the 3rd prince of Stronghold Kingdom. But this world is different, a world set in stone age. Yes this is a new world for him whereas there exists human with unmeasurable abilities, skills and magic, but of course there are some with useless abilities known as Weaks and Dlanor is one of them. What kind of experiences and glory awaits for him in this world?