The second life cycle of the Hachis after molting from a Caretaker Hachi, and one of the five potential types of Hachi the molting can result in, the newborn Sentinel Hachi spend their lives flying and seeking out other nests of insects so they can mark their locations for the brood to take it over by force. They relay the nest’s locations coded in long-distance pheromones that the Paladin Hachi receive and are dispatched to clear out the hive for the next generation of the brood. growing up to the size of a coin, the appear like a floating head with eyes. They are unable to eat or reproduce and only live for several days until their purpose is fulfilled.