While diving around the Chemin de L’Espoir, Genshin Impact players may come across a blue exclamation mark that indicates a world quest. However, the owner of this marker turns out to be a small Oceanid that’s barely visible in the blue of the ocean. After speaking to the little creature who introduces herself as Ann, she requests the brave knight’s assistance in helping her friend, Petit Chou. Agree to help the Oceanid and head to Annapausis to meet the mighty Hydro-immune foe whom Petit Chou is fighting with Hydro.