what is the pre evolution of lucario
Lucario is a jackal-like PokÃ©mon that nears four feet in height (3'11 exactly). It stands on two feet like its pre-evolved form Riolu. Lucario is a dog/wolf-like Pokemon, with a few kangaroo-like characteristics as well. Though similar in appearance to Riolu, Lucario has some notable differences. Its forepaws are black and it has large pointed spikes in place of the oval shaped bumps on Riolu.
Riolu charging its Aura Sphere in the anime. Riolu are sensitive to a special type of energy called Aura as Lucario is. Riolu's evolved form, Lucario, can use these waves for attacks, tracking, or to predict future moves. However, Riolu does not have the full potential of these powers, using them as described in ripples rather than waves.