In Douluo Continent, Old Jack of the God Soul Village was regarded as a powerful soul master who possessed unique soul power skills and formidable combat abilities. Old Jack was good at using spirit rings. He could obtain the spirit power of others by wearing his spirit ring on them and on this basis display even higher fighting strength. This ability of his was called "Soul Ring Fusion", which was also one of the reasons why he was called "God of Soul Masters". In addition, Old Jack also had some unique soul power skills such as "Soul Power Condensation","Soul Power Burning", etc. These skills could play a powerful role in battle to help his teammates quickly increase their combat strength. In the end, Old Jack was also a very loyal guardian of the Soul Village. He had always protected the Soul Village and its residents. He was a very trustworthy character. Therefore, in the world of "Douluo Continent", Old Jack was a very powerful soul master and also a very important character.