At the age of 25, Jacob was the leader of the elite band of Blood Knights. He is very loyal and devoted to Cardinal Ladorak. He is simply Cardinal Ladorak's ears, eyes, and iron fists. It is said that this loyalty stem from the Cardinal saving Jacob from an unhappy past. He also across path with a young Joshua, the future leader of Centra Natra, during his trip to Polata Village.

By the time he was 32 years old, Jacob became Joshua full enemy and a force to be reckon with during the Natra civil war.