20-ish
In Pokémon Sapphire, Nincada will evolve at Level 20.
Level 20. Have at least one pokeball in your bag and at least one open space in your party to get Shedinja when you evolve Nincada into Ninjask.
nincada evolves at level 20 in Ruby/Sapphire it also evolves into shedinja so you better leave space in your team
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
Easy go to the route beside rustboro and catch a nincada!then grow it to level 20 then t will evolve into a ninjask
level 20 (ninjask)
level him up to level 55
Nincada evolves at level 20. If you have a free space in your party, you will also get a Shedinja.
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.