Search in the Algae Sea is a Quest in Genshin Impact that revolves around some figures of the Narzissenkreuz Ordo. To trigger this mission, players must first bring the three characters into the Narzissenkreuz Ordo. To do so, complete Ann's quest in Annapausis, Seymour's in Merusea Village, and Caterpillar's mission in the Fortress of Meropide.