Nincada evolves at level 20. If you have a free space in your party, you will also get a Shedinja.
nincada evolves at level 20 (i think) if you have an empty pokeball when you evolve nincada you will get a shedninja. nincada evolves into ninjask
Nincada evolves into Ninjask at Level 20.
nincada evolves at level 20
In Pokémon Sapphire, Nincada will evolve at Level 20.
level 20 (ninjask)
level him up to level 55
20-ish
20
Nincada evolves into Ninjask at level 20 while Nincada evolves into Shedinja when you level it up while you have space in your party and your belt.
Nincada evolves into Ninjask at level 20. Also, a Shedinja will appear in your party if there is an empty slot when the Nincada evolves.
Nincada evolves into Ninjask at level 20. However, Nincada will evolve into a Shedinja, if you have an empty slot in your party and a regular Poke Ball in your bag. If you want just Ninjask, you must need six Pokemon in your party.
Ninjask or Shedinja.