https://forums.pokemmo.eu/index.php?/topic/51560-new-implemented-pokemon-locations-held-items-guide/
Level up your eevee at night when it's happiness is 87% or above to get Umbreon (Eevee dark pokemon). (Espeon is morning, the Psychic type)
We don't have Glaceon (eevee Ice)
We also don't have electivire. We only have Electabuzz
Electabuzz location is:
As for the Stones, they are sold in Celadon Departmentstore 4th floor, water, thunder, fire, and leaf stones