Bringing the discussion back to Z-A a little bit, this sequence of events caught my attention:
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It seems Altaria uses an attack (Possibly Moonblast?) against Mega Ampharos, but Ampharos sends its own attack and "overpowers" the move, damaging Altaria and cancelling the Moonblast altogether
Could mean that some moves can just clash and prevent other moves from going off if timed right. Could also be part of either Mega Mechanics or whatever that C+ icon is supposed to be.
For the 3 of you still coping about abilities, you could choose to interpret this as Mold Breaker now ignoring moves!!
Very interested to see how this new battle system will work