Lucario (ルカリオ Lucario) is the evolved form of Riolu. Riolu evolves into Lucario by level-up with high happiness during the day. Lucario are usualy very polite and modest some can even talk and are very powerful and are considered by many the strongest species in the galaxy.According to legend, in the old times lucario were teachers to humans who taught the first Marshal arts to the galaxy. Lucario is a jackal-like species that nears four feet in height (3'11" usually). It stands on two feet like its pre-evolved form Riolu. Though similar in appearance to Riolu, Lucario has some notable differences. It's forepaws are black and it has large pointed spikes in place of the oval shaped bumps on Riolu. There is also a third spike in the middle of its chest. Lucario's ears and muzzle are longer in comparison to Riolu. It also has four appendages on the back of its head opposed to Riolu, who only had two and were previously located on the side of its head. Additionally, Lucario's torso is covered in yellow fur. Known as the Aura Species, Lucario are sensitive to a special type of energy called aura. The appendages on the back of its head are used to detect the auras of creatures and objects around it. With its ability to sense the auras in all things around it, it can navigate and track through telepathic methods. They can also guide the waves of an aura in an offensive manner to create small balls of energy such as Aura Sphere. Lucario's have a high attack stats and is very fast.
-Pokemonwiki
