When does Pupitar evolve?

Pupitar is a rock and ground type Pokémon character that evolves into Tyranitar when it reaches level 55. Pupitar evolves from Larvitar when Larvitar reaches level 30.

Pupitar appears similar to an insect pupa and in a similar manner is an evolution in between Larvitar and Tyranitar. Larvitar has an appearance similar to a baby dinosaur. Tyranitar looks like a grown dinosaur. Pupitar is covered with a hard shell and is very active inside the shell. The shell moves about by streams of pressurized gas that the Pokémon forms while transforming inside. Pupitars are hard to damage and very strong. In some Pokémon games, they are classified as rare.