Shedinja is a secondary evolutionary form of Nincada.
This special variant evolution in the Nincada evolutionary line can only be obtain via having an empty Pokeball in the Pokemon Trainer's bag, having an empty party slot in the Pokemon Party Team and evolving Nincada into Ninjask.
Shedinja's special Wonder Guard ability protects it against all of the opponent's Pokemon learnset moves except for Super-Effective direct hits and Status Conditions.
National Pokedex No: #292
Types - Bug, Ghost
Ability - Wonder Guard (This pokemon can only be hit by super-effective moves)
Found in: Hoenn, Sinnoh
Evolves from - Nincada (Lv. 20) with an empty space in party
Nincada (Lv. 20) --> Ninjask
Nincada (Lv.20, empty slot in belt) --> Shedinja
After introducing a new evolutionary format by attaining a new Mega Evolutionary lineage via a Mega Stone, fans have wondered if certain Pokemon will gain Mega Evolutionary forms.