They can acquire the Pokmon, Kubfu. After a lot of training and bonding, they can evolve it into three different versions of Urshifu. If Ash and Riko turn out to be father and daughter ...
You can find the Soul Dew in the pocket with the held items. How to get Dark and Water Urshifu in The Indigo Disk DLC Kubfu is one of the few legendary Pokémon that can evolve, and you can evolve ...