you need to have explorers of the sky and answer the questions correctly to be riolu
Wonder mail
just be a sassy(mean,rude,selfish)dude(boy) and you will hopefully be a riolu on the first shot!
In Pokemon Diamond and Pearl the only way to get/see Riolu is in an egg. You can get the Riolu egg from Riley in Iron Island. You must have an empty space in your party then go through it with him and defeat a few Galatic Grunts. Then you will receive an egg, when it hatches you will have a Riolu. This is the only way to see/own it in the game. I hope this answers your question!
Be a sassy
haha! i really like riolu/lucario too! ok, for a boy. be SASSY , it took me a while to figger out what that meant, but it means , rude, selfish and other . Oh! and you must do it on boy!(it took me a while since im a girl!)
Ash does not get riolu but it does follow him in Pokemon ranger and the kidnaped riolu and Ash wants to bring him back so he does alitle bit.....
You can get riolu by releasing 5 lucario's at the release point you will get a riolu ticket use it at the recruit point to get riolu.
At this point in time, Lucario is its final form. It does evolve from riolu.
riolu evolves at level 32.
If you want riolu to evolve, make him happy
The Pokemon before riolu is Unown.
Riolu weigh 44.5 lbs.