I have a recently acquired xtreme driver from the Amaterios booster and I wore it down already a little. Is that good? Should I ware it down?

don't intentionally wear it down. It losses speed when worn. Be prepared to replace the driver when it gets too worn.

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Highly Observant Hasbro Blader.

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you don’t want to wear it down. this is the opposite of variable.

further,
you want xtreme (and hunter) to be clean for every match.

I had my Xtreme wore down from my Hasbro Xcalius master kit. I used it for a year until it wore down.
Basically, wearing down the driver will make it lose speed and aggression

My xtreme Driver is worn down