Will charging back mastercard result in a ban?

I bought 20,000 ZP with a prepaid mastercard, contacted support (Z8 Games support) waited a good 6 days for a guy to say "contact buddie buddieshops @email". I did that, and he told me there was a problem with AVS in Canada, and that I would have to chargeback the credit card through a dispute page...

Pretty stupid that I have to do this, and now I have to worry if Z8 will ban me...

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