They are: Weepinbell and then victoreebell
weepinbell evolves by either the leaf stone, or the sun stone.
You have to get a Bellsprout or Weepinbell. If you have a Bellsprout, evolve it. Then, once you have a Weepinbell, use a leaf stone on it.
Level 18.
Level 26
Level 25
level 28
Level 30.
Level 37.
Level 30.
at level 40 it should evolve into drapion
Spiritomb doesn't evolve.