PC beats Confusion for dodging.
Choose the appropriate Charge move for the situation.
In a raid I prefer Confusion, as you will do a LOT more damage, and energy gain comes from getting hit, as much as it does from quick moves.
If you want to dodge...then PC is much better.
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energy gain comes from getting hit
Not Alakazam's case
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Do you even Machamp solo?
The amount of energy gained from dodging a Machamp charge move is significant, and can make the difference in getting off another FS