Her Majesty's Swarm: Volume 3

Grevillea, Queen of the Arachnea, has decimated both the Kingdom of Maluk and now the Dukedom of Schtraut one after the other. When she investigates reports of raids on her new territory, she discovers the raiders are pirates from a colony on the island of Atlantica. Grevillea conspires with their captain, Isabelle, and aims to use her newfound partnership to plunge the Popedom of Frantz into the depths of despair-