Riolu is a blue bipedal canine Fighting-type Pokémon, that can seldomly be found on Route 8, with a 1/100 encounter rate. It evolves into Lucario upon leveling up with high friendship (220+) during the day. The abilities Riolu can possess are Steadfast, Inner Focus, and Prankster, as a hidden ability.
- This pokemon always has at least 4 perfect IV's upon encounter, making for a suitable pokemon for breeding higher IV's within the Human and Field type Egg Group.
- It is speculated that all pokemon within the Undiscovered Egg Group have at least 3 perfect IV's, like in Pokemon X and Y.