When used on a Pokemon,it transforms into the mysterious LV.X.When used on a Basic,Baby or Stage 1(if evolves to Stage 2),it finds another Pokemon as a Target.Pokemon such as Igglybuff will not be affected,while Pokemon such as Empoleon would have the effect.The only way a Final Evolution Pokemon would not be affected is if it uses its Poke-Anti,a move that not only damages but repels the EX-Serum.If the Pokemon does not evolve,it would also be affected with the EX-NANo.