21st Century Archmage - Chapter 179: A Dangerous Invitation

... e name of the Emperor of the Laviter Empire, Avaion fell into deep thought. Even an emperor could not order the Tower Master of a magic tower to come at his beck and call. It was a long-standing taboo for kingdoms to have formal friendly relations with the magic towers. Invisible, tacit contracts or aid were fine, but open contact between the magic towers, empires, and kingdoms that could significantly influence the state of the continent were forbidden.

But today, the summons from Emperor ...