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The only Pokemon that can be in Apricorn balls are Pokemon catchable in Heart Gold and Soul Silver. That means nothing from Generation 5 can be obtained in those balls, and hidden abilities are illegal in an Apricorn ball.
So i found the guy I got it from and created a big debate in Pokemon ShowDown (still Smogon Right?) and they told me to GTFO and they'll trade whatever pokegenn POS they want basically...