Is the ability Pure Power permanent in-battle? (Without being Skill Swapped, Entrained or Simple Beamed)?

Question

Fixing the title to be clear.

Comments

What exactly do you mean by "permanent", though? It stay around the entire battle if it isn't swapped or suppressed, if that's what you mean.

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Yes. (filler)

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Is this a troll question? Every ability is "permanent" as long as it's not tampered with. Why would Pure Power be any different...?

Answer 1

Pure Power stays around the entire battle if it isn't swapped or suppressed. The Pokemon with it will retain the Attack boost until it faints or the Ability is removed. Switching in and out of battle will not have any effect on it.

Source: Experience with Abilities

Hope I helped!