System Buster

After a tragedy Skyler died but got resurrected with the system he was blessed with. Though most of his skills and stats were locked due to the lack of condition requirement. To achieve the requirements, he joined one of the Guild in his city only to fulfil his ultimate goal afterwards. His goal was the complete destruction of Aether Cities; five floating cities that float naturally above the Terra Region. In those cities the higher ups, Nobles and Ruler lived. They governed the modern era.
Despite being a high ranking Zeon, the people who usually raids dungeons, he kept his profile low as an average Zeon. During several dungeon raids, he met many people with whom he gradually became acquainted. Helped them in various ways, got help in various way until the Day arrive when he successfully unlocked all of his skills and stats.
His real journey begins afterwards with some of his friends who also have the mutual desire.