Manga Fushiou Wa Slow Life O Kibou Shimasu Chapter 4 Upd

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The immortal king (now going by the name Ren in the village) successfully harvests his first crop of magical potatoes, much to the awe of the local farmers.
A mysterious knight from the neighboring kingdom arrives, searching for a "legendary warrior" who once saved the kingdom from a dragon. Ren immediately recognizes the knight as the descendant of a former comrade.
Ren tries to avoid the knight by pretending to be a simpleton, but accidentally uses a fraction of his aura to shatter a boulder threatening the village mill.
The chapter ends with the knight kneeling before Ren, declaring that his mission is to bring the "immortal king" back to the capital to face a new demonic threat.

Using a vast forest as his new territory, Sigmund begins constructing a home base. manga fushiou wa slow life o kibou shimasu chapter 4 upd

Providing the author's name or a brief plot summary would help in finding the exact chapter 4 update you're looking for. Based on your request, here is the combined phrase: