What happens if a Pokémon hits multiple evolution criteria at once?
There's several Pokémon that have branching evolution paths - Slowpoke for example can be evolved into Slowbro by level-up, or into Slowking by trading with King's Rock held.
In most cases, these branches can't conflict, but there's at least one where 3 conditions can be potentially met at once.
Take these three evolution conditions for Eevee:
- Espeon - level up once with a high Happiness value (during the day, or at night for Umbreon)
- Leafeon - level up once nearby the Mossy Rock
- Sylveon - level up once with 2+ Affection and a fairy-type attack.
It's entirely possible for all 3 criteria to be met at the same time (a single Eevee with Charm - Fairy type as of Gen VI -, high affection and friendship, levelled up at the Mossy Rock). Which evolution takes place? Will the game pick randomly, or is logic included to pre-determine the path? Or is it based on which criteria is hit first?
Best Answer
I was very interested in your question, so I did some research.
According to Bulbapedia on Moss Rock, some people have tested that location takes precedence over anything else.
Even if Eevee has reached other evolutionary conditions, the Moss Rock will still cause it to evolve into Leafeon rather than Espeon, Umbreon, or Sylveon.
So in your scenario, you would get a Leafeon because of your location.
Pictures about "What happens if a Pokémon hits multiple evolution criteria at once?"



Do any Pokemon have 4 evolutions?
Burmy is a Gen 5 Pokemon with four Possible evolutions. A male Burmy will always evolve into a Mothim at level 20.Can Eevee evolve multiple times?
Espeon and Umbreon can be attained multiple times through the same means of evolution. You'll find an Eevee, make that Eevee your buddy Pokemon, and walk that buddy 10km or more.How do you get Sylveon in Pokemon 2021?
For further chances to evolve Eevee to Sylveon, you'll need to get 70 Buddy Hearts with an Eevee - which puts your relationship with that Pokemon at the 'Great Buddy' level. After this, you simply need to evolve that Eevee with 25 Eevee candy, and you'll get the fairy-type Sylveon in return.How do you evolve Eevee without a name trick?
If you choose to evolve Eevee without any meddling - by feeding it 25 Eevee candy - then it'll turn to Vaporeon, Jolteon or Flareon at random.What If India Takes Back PoK?
Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
Images: Edward Jenner, Edward Jenner, Edward Jenner, Edward Jenner
