Question: how to evolve eevee into sylveon pokemon revolution online?
Answer: Sylveon evolution Eevee's evolution into Sylveon is only possible when on Love Island. To do so, all it is necessary to do is to let Eevee gain a level in any battle on the island whilst it knows a Fairy type Move it can learn Baby-Doll Eyes at level 9 or Charm at level 29.