Reincarnated to the Aul world

A doting yet vindictive brother, Zeref who was jobless for half a year to take care his family just got killed along by the other 99 people by a powerfull creature ( god or what, who knows). The purpose to killed all of them is to reborn all of them in the old medieval magic and sword world. By giving 100 of them some advantage (not a cheat) to survive in their new world. Will zeref survive in that world? Even he not sure about that, but he make clear about 1 thing, he would not do what his father did.