Staravia evolves at level 34.
Staravia evolves into Staraptor if you give Staravia a Rare Candy at level 33, making it evolve it level 34.
It will evolve at level 48
it will evolve at level 21
Arbok does not evolve
Pachirisu does not evolve :(
level them up
level 44
Level 10
level 25
at level 20
Level 40.
level 32