What is a swarm ? In PokeMMO, a swarm is a wild group of Pokemon. It appears at a given place at a given time for a limited time. A swarm is composed of 4 Pokemons that appear in overworld as sprites. Sometimes, Pokemons appear outside their usual location Official presentation of swarms by PokeMMO. This is the official presentation from PokeMMO. We can see : - Top Left : Absol swarm at Lost Cave (Kanto) - Top Right : Vileplume swarm at Route 230 (Sinnoh) - Bot