Arbok is a fully-evolved Pokemon, thus it cannot evolve into any other Pokemon at all. Hope that this helps.
Arbok does not evolve into Seviper, it doesn't evolve after evolving out of Ekans. Hope I helped! :)
Arbok does not evolve
Ecans evolves into arbok at level 22.
if you levek your Ekans up to level 22 it will evolve into a Arbok.
Arbok doesn't evolve.
Arbok does not evolve.
Arbok cannot evolve
arbok doesn't evolve.
Ekans will evolve at level 20.
It evolves into Arbok at level 22. Hope I helped! :)Ekans envolves into Arbok if it grows to Level 22
ekans evolves into arbok at level 22
Arbok evolves at level 22.