The Sky Sets in Dungeon Fighter Online referred to a series of clothes worn by the game characters. They could be obtained by completing missions or purchasing them in the game. There was no clear answer as to which set of Sky Sets Undefeated War God belonged to, because each Sky Set had a unique appearance and attributes, and the differences between different sets were very large. If you want to know which Sky Set the Undefeated God of War belongs to, you can check the character's attributes and equipment in the game or search for related game guides and encyclopedia information.