Many Pokémon species have specific evolution requirements, such as evolving when traded, when given an item, or when holding ...

There is a happiness gauge, and once that fills up, the Pocket Monster will evolve after gaining a level ... Onix into Steelix. Mega Evolution is a temporary alteration to the form of certain Pokemon.

Both Seel and its evolution ... Level 34. However, these creatures do not have any official third form, and one Pokemon fan decided to change that with fan art. A Pokemon fan's 'life-sized' Onix ...