Can I use Vanilluxe's "Slippery Soles" Ability to make my opponent switch Pokemon if I don't have any Benched Pokemon?
No you may not. Slippery Soles requires you to switch your Active Pokemon with one of your Benched Pokemon first.
Slippery Soles




x2Slippery Soles
Once during your turn (before your attack), you may switch your Active Pokémon with 1 of your Benched Pokémon. If you do, your opponent switches his or her Active Pokémon with 1 of his or her Benched Pokémon.


Crushing IceDoes 10 more damage for each
in the Defending Pokémon's Retreat Cost.
Can I use Vanilluxe's "Slippery Soles" Ability to make my opponent switch Pokemon if I don't have any Benched Pokemon?
No you may not. Slippery Soles requires you to switch your Active Pokemon with one of your Benched Pokemon first.