the weakest hero

a world with magic, a world filled with war, a world that uses people as their stairsthis world was know as necroone day a class got transported to this unkown worldthey didn't know that they were heroesapparently this world is in danger the heroes are the only hope of this worldthey chose to save this world but one day....one of the heroes were betrayed in a dungeon raideveryone escaped but this hero was left in the dungeonthus giving him the namethe weakest hero