Pokemon Go: When to purify Shadow Pokemon

Team Rocket have well and truly invaded the Pokemon Go world and have brought Shadow Pokemon with them, which you need to save. Once you rescue one, you’ll need to purify it in order to save it, but when should you do so?

How Team GO Rocket got hold of Shadow Pokemon is unknown, but they’re essentially species turned into emotionless fighting machines. They can only be obtained by defeating a Team Rocket Grunt, Leader or even Giovanni himself.

Unfortunately, saving (or purifying) those Shadow Pokemon is an expensive task. Doing it will cost you either 1,000 Stardust and 1 Candy, 3,000 Stardust and 3 Candy or 5,000 Stardust, and 5 Candy, depending on the species of Pokemon.

But, when exactly should you purify a Pokemon? Here’s what you should know.

What are the benefits of purifying a Shadow Pokemon?

Firstly, let’s look at what the purification process actually does. It does more than just “saving” them so you can feel good about yourself, but makes the purified species more powerful which naturally makes it worth doing. They are as follows:

• Increase to level 25, from between level 1 and 10
• Increase each IV by +2
• Replaces the charge-move Frustration with Return, a three-bar normal-type move
• 90% of the Stardust and Candy to Power Up or Evolve

The IV increase means a Shadow Pokemon with IVs of 13 (13 attack, defense and stamina) are guaranteed to become perfect (100% IV) when purified. If it already has an IV 14 or more than that particular IV(s) will go to 15.

So, when should you purify?

The above means your Shadow Pokemon’s CP is basically irrelevant. You’re not going to use them in battle and if you do purify it, it won’t matter whether its CP is 20 or 600 as it’ll end up the same, regardless.

However, the IVs are important to look at. Shadow Pokemon are clearly an excellent opportunity to get high IV options, and if you’re really lucky the coveted perfect IVs.

A quick calculation shows there is a one in 125 chance of, essentially, nabbing yourself a 100% IV when catching a Shadow species. There’s a one in five chance of getting a 13 IV or higher on each stat, which equates to one in 125 when you multiply them together.

So, if you find one with 13s or higher across the board then, unless its a Rattata, you should probably spend the Stardust and do it. There are other things to consider, though.

Another thing to ponder is challenges, as there are level requirements that involve purifying Pokemon. Doing this, obviously, will help make progress towards those level goals.

When should you not purify Pokemon?

Since Shadow Pokemon are generally stronger statistically than normal Pokemon, it’s a good idea to not purify Pokemon used for PvP play.

This is not uniform down the line, though, so make sure to do research on which version is stronger.

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