Question: how to evolve eevee into a sylveon in pixelmon?
Answer: Umbreon when leveled up with high friendship during the nighttime. Leafeon when leveled within ten blocks of a Moss Rock. Glaceon when leveled within ten blocks of an Ice Rock. Sylveon when leveled up with high happiness and knows a Fairy-type move while in a Sunflower Plains or Flower Forest Biome.