Affection level

According to bulbapedia eevee evolves into Sylveon “when leveled up knowing a Fairy-type move and having at least two levels of Affection.”. What is affection and it`s implemented in Pokemon Insurgence? How to increase it?

just level it up without making it faint or don’t evolve it at all,trust me it’s better as it is. But if you really want to evolve your eevee just put it in your first slot then walk around while fighting stuff

you can use berry from helios department store to make it easier

Talk to your pokemon as a lead to check levels of affection. The EV reducing berries in Helios are a great and cheap way to raise happiness.