1x74 - Pokémon Horizons

Liko's grandmother Diana has returned to the ship, and Liko ends up having to battle her and Windie in order for Diana to ascertain how much Liko has grown...?! Diana also tells the group about a secret of Lucius' that she gained knowledge about while traveling the world... one that involves the connection between Lucius and the Explorers, as well as the three adventurers that founded the Explorers...!