The Faraway Paladin: The Lord of the Rust Mountains: Primus (Light Novel) - Yanagino Kanata

Will has now come into his own as the Faraway Paladin. With strong friends and an even stronger spirit, he has saved Beast Woods and its people from their plight. There’s great cause for celebration...but all is not well in the land. Strange happenings are afoot, beginning with plants blooming out of season and dying at random. At Duke Ethel’s request, Will and Menel are off to investigate, not knowing that their journey will lead them to an ominous prophecy and the Rust Mountains, the capital of the dwarves.