Special Missions - The Riolu Mission

Available From: March 20th 2008 to June 15th 2008 (Japan), ??? (America)
Locations: Ranger School, Offshore Oil Platform Hideout

Walkthrough:
Starting off in Vein Town, you will arrive as there is some commotion going on. Soon after, Kaito arrives and will tell you that Its Riolu is stuck on the roof of the Ranger School. Riolu jumps down, just as a member of Team Dim Sun arrives, who sets two Tangrowth on you. Capture them and you'll see another Dim Sun member has taken control of Riolu. They quickly escape and you go back to the Ranger Station and this is where your mission begins

Your mission takes place on the Offshore Oil Platform hideout, knowing this from past missions, follow it through the same way as before, capturing Pokémon as you feel necessary. As certain areas are blocked off, this is a rather linear line, battling Grunts as you go. Eventually you'll end up in a darkened room, having to rely on Kite on what way you should go. There's a Dusclops down here that you should catch just to make Riolu's fight easier, and be sure to catch the other Pokémon too to help you. Follow the path to the exit and continue on, where you'll meet up with the Dim Sun grunts who have Riolu. this acts as a boss fight so make sure you have decent backup. Its first attack is sernding out a stream of Aura Spheres out directly in front of it while Its second one is a simple close-quarters punch and Its third sends out a quick burst of 5 Aura Sphere's. Its HP also recovers quickly so don't leave it too long without being circled. Once captured, the mission is over and you return home.

Once done, you can send this Riolu over to DPP, with it knowing a special attack it cannot normally learn; Aura Sphere:

Riolu ♂

Lv. 30

OT:: Kaito ID: 03208

Nature: Serious Ability: Steadfast

Attacks: Aura Sphere Shadow Claw Bullet Punch Drain Punch