you have to venture deep into the cave
No waer
you go to iron island and talk to someone named riley and you get strength and then you go and train with her.
You can only get Lucario by evolving the Riolu that you hatch from the egg you receive from Riley on Iron Island.
on iron island you will meet a guy called Riley help him beat all the team galactic grunts and he will give you an egg from which riolu will hatch from
To get rid of Riley, you'll have to leave Iron Island. But if you walk into it again, he'll accompany you. There's no way to get rid of him once you're inside so you'll just have to travel to the end of Iron Island with him.
After completing the Iron Island team battles with Riley, he will give Strength to you.
Iron Island
You find him on iron island in the cave
After the Iron Island side-plot you can meet Riley at the Battleground in the Survival Area.
riley will give it to you before you enter iron island
you go to iron island and talk to someone named riley and you get strength and then you go and train with her.
You have to hatch it from the egg you received from Riley at Iron Mountain/Iron Island
You have to have the HM Strength which you can find on Iron Island with Riley.
riley gives you an egg and it hatches into riolu it evolves into lucario with friendship you find riley on iron ball island.
you get it from Riley from iron island ,from Jesse and Ryan Termaat
Well, how should i descibe it? You can meet Riley only on Iron Island. He'll ask you to help him through the Island, trying to find out who is disturbing the Pokemon of Iron Island. After battling two Galactic Grunts (who were disturbing the Pokemon), Riley asks you if you want a Pokemon egg. Inside the egg is Riolu, who evolves into Lucario, but if you don't have room in your party, Riley will wait right there at Iron Island until you take the egg. After you leave Iron Island, Riley will, too. You can only see him in the Battle Tower after that event.
you can find riley in iron island in the cave. when you go to the end of the cave go down the elevator and talk to riley by the elevator and he'll give you an egg to take care of.
Go into the cave and find a guy named RIley and get a special pokemon from him.