Everstone

Summary

Everstone is a unique item in the Pokémon series with several notable effects and applications:

Prevention of Evolution: The primary function of the Everstone is to prevent a Pokémon from evolving. When held by a Pokémon that can evolve, the Everstone stops the evolution process that would otherwise occur through leveling up or other evolutionary triggers. This can be particularly useful for trainers who wish to keep their Pokémon in its unevolved form for reasons such as moveset optimization, aesthetic preference, or competitive strategy.
Breeding Mechanics:
Natures: In Pokémon games starting from Generation IV, if a Pokémon parent holds an Everstone while breeding, the offspring will inherit the parent's Nature. This is highly beneficial for competitive breeding, as it allows trainers to ensure that their Pokémon have desirable Natures that enhance specific stats while reducing others.
Regional Forms: In Pokémon Sun and Moon and subsequent games, if a Pokémon with a regional form holds an

Held: Prevents the holder from evolving naturally. Evolution initiated by the trainer (Stones, etc) will still work.

Short Effect: Held: Prevents level-based evolution from occuring.

Held: Prevents the holder from evolving naturally. Evolution initiated by the trainer (Stones, etc) will still work.

Fling Power: 30

A wondrous stone & a hold item that prevents evolution.

A wondrous hold item that prevents evolution.

An item to be held by a POKéMON. The holding POKéMON is prevented from evolving.

An item to be held by a Pokémon. The Pokémon holding this peculiar stone is prevented from evolving.

An item to be held by a Pokémon. A Pokémon holding this peculiar stone is prevented from evolving.