In the Land of Leadale, Vol. 4 (manga) (Volume 4) (In the Land of Leadale (manga))

Having finally reached the northern Kingdom of Helshper, Cayna's first task is to deliver the letter she's been entrusted with... to none other than her grandson, Caerick?! After a surprise meeting with her ever-expanding family, Cayna is off to seek out a new Guardian Tower: the Crescent Moon Castle. But a party of bandits--led by a foe unlike any she's faced so far--insists on getting in her way...