Swallow

In Pokémon ChampionsGen III

Game

Pokémon Champions

NormalStatus

Heals the user based on uses of Stockpile.

Power: –
Accuracy: —
PP: 10
Hits: The user

Changes over time

How Swallow changed from game to game, newest first.

Gen V
… HP if it's 2, both rounded added: half down, and all of its HP …
Gen IV
… HP if it's 2, both rounded ~~dropped: half~~ down, and all of its HP … Stockpile count is 0. The user's added: Defense and Special Defense decrease by as many stages as Stockpile had increased them, and the user's Stockpile count resets to 0.

Numbers: PokéAPI’s changelog. Descriptions: Pokémon Showdown’s for each generation, PokéAPI’s notes where Showdown’s don’t differ. Champions: Pokémon Showdown.

See it in the games

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How it works in Champions

The user restores its HP based on its Stockpile count. Restores 1/4 of its maximum HP if it's 1, 1/2 of its maximum HP if it's 2, both rounded half down, and all of its HP if it's 3. Fails if the user's Stockpile count is 0. The user's Defense and Special Defense decrease by as many as Stockpile had increased them, and the user's Stockpile count resets to 0.

Healing: stopped by Heal Block

“The power stored using the move Stockpile is absorbed by the user to restore its own HP. The more power is stored, the more HP is restored.”
In-game text, Scarlet & Violet