Let's Create a Sand Kingdom with Sand Magic.

Dismissed as a good-for-nothing who could only manipulate sand, Horus, fifth prince of the Magref Empire, was banished. Dumped in the scorching desert, he used his sand magic to create a colossal sand fortress. What had seemed like a hellish wasteland became his personal heaven, and he decided to make a life for himself there. Yet, through conflicts with magical beasts, he gathered companions from diverse races, eventually establishing a kingdom with himself as its ruler.