You just have to make it happy (daytime).
If you want riolu to evolve, make him happy
Riolu doesn't not evolve at a certain level. Tp evolve Riolu, Riolu must have an IQ≥1. Also, the item Sun Ribbon must be obtained. Then, you may evolve Riolu.
Riolu won't evolve unless it has max frienship with its trainer.
Riolu evolve by happiness during the day.
lvl 50 suckers
you can not evolve a riolu if its level100 I'm sorry
Riolu doesn't evolve until it has max frienship with its trainer.
Make sure your Riolu is happy. When it is happy level it up and it will evolve into a Lucario!!!
I think its level 50
Catch a Riolu and evolve Riolu.
Riolu evolve's normally and pichu evolves through happie'ness
Riolu doesn't evolve at a specific level. It evolves with maximum friendship.