The Spirit of Captain Void-Illusion, alongside the other three Spirits of the Captains of the Pagoda Realm, are part of a questline that unlocks the Chubai Spearhead, a material that allows you to ...

Keep walking in that direction, and you'll find a dead giant monster. This is Captain Void-Illusion. As he's already dead, you have to claim The Spirit of Captain Void-Illusion. 5. Return to the ...