When is purifying a Shadow Pokemon worth it? Many players often reiterate the line that purifying a Pokemon isn't worth it in almost any situation, but there are certainly situations where a purified Pokemon is more useful, even if it loses the 20% damage buff that comes with being a Shadow Pokemon.

Is there any reason to keep a purified Pokémon?

Purifying a Shadow Pokémon will improve their appraisal and reduce the amount of Stardust and Candy required for them to Power Up, Evolve, or learn a new attack. When Purified, a Shadow Pokémon will forget Frustration and learn Return, a Charged Attack that's exclusive to Purified Pokémon.

Should I purify slowpoke?

In short, if you're a competitive player or someone who wants to have the rarest versions of every Pokémon in the game then keeping them in their Shadow form is likely the best choice for you. ... Conversely, when you purify the Pokémon they will lose this bonus in favor of cheaper power up costs to Stardust and Candy.