shedinja doesnt evolve nincada evolves into ninjask and if you have room for another Pokemon and a pokeball ninjask will split in half making shedinja
Shedinja does not evolve.
Ninjask or Shedinja.
Shedinja does not evolve any further than its current stage.
Once Nincada reaches level 20 it can evolve into Ninjask. However, if you have an open spot on your team another Pokémon Shedinja will appear also.
Ninjask cannot evolve any further. If you are meaning Nincada, it can evolve into Ninjask at level 20, but it can also evolve into Shedinja, if you have an empty party slot and a Pokeball with you.
Shedinja is the last evelution so no, he can't evolve.
No.
Nincada evolves at level 20. If you have a free space in your party, you will also get a Shedinja.
Shedinja does NOT evolve!!
Nincade evolves into Ninjask (and Shedinja if you have room in your party) at level 20.
Nincada evolves into ninjask at level 20, but you have to leave an open space in your party because after Nincada evolves, a Shedinja appears. My Shedinja appeared at level 27 with a max HP of 1. But this isn't a problem because Shedinja's "wonder guard" prevents any critical attacks.
Shedinja doesn't evolve. Nincada evolves at level 20 into Ninjask. If you have a free space in your team (i.e. are only carrying 5 Pokemon with you) and a spare pokeball in your bag, when your nincada reaches level 20 and evolves into ninjask, you will also find a shedinja in your team. But it doesn't evolve into anything.