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Unfortunately I do not. Infiltrator would explain the assist going through Safeguard but Dark Void being used over and over was the most unusual/alarming part of it...
I went up against a Meowstic with Assist, my Meowstic used Safeguard first - however the opposing Meowstic used Assist which triggered Dark Void and it slept both my pokemon anyway. He then continued to spam Assist and it used Dark Void every time. This doesn't seem consistent with the...