It relies on its sturdy shell to deflect predators’ attacks. It counterattacks with its sharp quills.
– Pokémon X Pokédex
Quilladin is the middle evolution of gen 6’s grass starter family. I can’t say I’m a huge fan of its design, it looks a bit…. derpy.
It has pretty good defense, as alluded to by its Pokedex entry. It learns Needle Arm when it evolves.