You have to make it friendly and keep leveling it up and then it evolves.
(well first let me tell you this don,t trade Riolu because if you get him back or not he or she will not evolve)but anyway Riolu evolve at Lv.16 or 24
Riolu evolves when it is at maximum happiness and then when it's at maximum happiness you have to level it up in the day time 1 level.
what the hell is riliu??????????????????????????????????riolu evolves from friendship.it's very annoying
Riolu evolve's normally and pichu evolves through happie'ness
no
Riolu evolves when its Happiness reaches a value of 220 and leveling it up at least once during the Day.
Riolu doesn't evolve at a specific level. It evolves with maximum friendship.
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.
A Riolu, which can evolve into a Lucario.
answer riolu doesnt evolve by level it evolves by care and love
you can not evolve a riolu if its level100 I'm sorry
Riolu evolves if it has shared high friendship with its Trainer during the day.