Hagus' plan was to obey the command of King Temudan, that is, to kill Uruki, in order to obtain "The Universe of the Four Gods", and so he could find his brother.
Hagus' plan was to obey the command of King Temudan, that is, to kill Uruki. When King Temudan became the emperor, he could obtain "The Universe of the Four Gods", and so he could find his brother.