I'm a Noble on the Brink of Ruin, So I Might as Well Try Mastering Magic (Manga): Volume 9

The nation of monsters is growing by the day. The citizens are happy, business is flourishing, and Liam is developing both the country and his magic repertoire hand in hand—making it the perfect time for grander undertakings! From reshaping terrain to manipulating time, there’s nothing Liam won’t try in the name of mastering magic. But though his growing nation once attracted human visitors, his rising magical prowess now draws the attention of a being far greater than he could have ever imagined. Will everything he’s built up thus far be enough to face this unprecedented challenge?