Jun Wu is the Heavenly Emperor who presides over the Heavenly realm, as well as the oldest and most powerful Martial God. He resides in the Great Martial Hall, the number one martial palace in Heaven. Though due to his position, he spends most of his days cultivating or watching over the realms. According to legend, one thousand and five hundred years ago he was a famed general of a warring era who later proclaimed himself king and ascended after ruling for some time. It is said that a few hundred years before his birth, the gods caused a great calamity and eradicated themselves in a chaotic battle. Jun Wu created a new dynasty of gods and formed a new stable Heavenly Court. Jun Wu is a composed and gentle individual. He rarely speaks but when he does, every word is powerful and commands respect from the other gods.

(Source: Heaven Officials Blessing Wiki)