The Chaos I created

Hao Qiang Jing is a boy from the house of Hao, The one that possessed the power of spirit. Everyone in the world have their magic power such as fire, water, air, gravity but the House of Hao is the most powerful. Qiang Jing is well respect by everyone, he have everything. Alot of money, Alot of strength, fame and a beutiful girlfriend. Until, Somethihg happen when he was 15.
His city were attack by the demon cult and he lost his girlfriend.. and everything. He thought he would die there.. But he got one of the most powerful spirit possessd him. The spirit of death. Right after the incident, 2 years past and Qiang Jing got to the most popular school in South Korea. He have to live his hometown to go there so he can get stronger. Now, His the president of student Council and got so powerful. He just need to avenge his family, his city, his girlfriend and destroy the demon cult.... but.. Can he actually did it?...