Rappeleon walks on its two hind legs. Its neck and its tail is striped yellow and it has razor sharp claws on its feet and its hands. It has two green fins on its back, which help it when chasing after enemies. Its back legs are powerful enough to let them jump to incredible heights. It uses the yellow blade on its head to give off more damage when it rams into enemies.
Rappeleon can concentrate energy. This allows him to attack an opponent multiple times in one turn. It can also dodge attacks but occasionally misses. It can also ram into enemies and scratch the opponent using its deadly claws.
Rappeleon has a very nimble nature. It randomly jumps and can run very fast. It is not aggressive and it usually decides to flee from battle and not cause any damage. When it does choose to attack it is concentrates its energy, allowing it to attack multiple times in one turn. It is very wise with its move selection and makes responsible decisions.
If a Rappeleon is met in the wild, it might attack or it might flee, depending on its mood. It normally chooses to leave from the battle, making it harder to catch them in the wild.