* Chao Evolution is Based on Actions: In Sonic Adventure 2, Chao evolve based on how you treat them. Feeding, playing games, and battling other Chao all influence their evolution.
* Specific Requirements: Shadow Chao have specific requirements that don't include evolving from a Dark Swimming Chao. To get a Shadow Chao, you need to:
* Train a Hero Chao: Hero Chao are the base for evolving into a Shadow Chao.
* Use Dark Mirrors: Dark Mirrors are special items that can be found in the game and used to influence a Chao's evolution.
* Specific Actions: To turn a Hero Chao into a Shadow Chao, you need to specifically use Dark Mirrors and engage in actions that promote dark evolution, such as:
* Feeding it dark fruits
* Making it lose battles frequently
* Using the Dark Mirror to force it to eat a dark fruit
In short, a Dark Swimming Chao cannot become a Shadow Chao directly. You need to start with a Hero Chao and influence its evolution using Dark Mirrors and dark actions.