What are the chances of Ash's Snivy never evolving?

[MetroLSD]

I like Snivy more than Servine or Serperior have ash ever own a pokemon the never evolved (other than pikachu)?

 

[Iteru]

Hi @pokedax_e! We currently have a sticky called the Evolution/Capture/Release thread where you may discuss this topic and other similar topics concerning cast Pokémon evolving.