Geshihu

Quick claw Grapploct to Octolock + detect, then sturdy Magnezone, then another sturdy Magnezone followed by sturdy Magnezone. Each of them held chesto berry, so I had three hits (3 shields). Because Lovely Kiss actually has some decent chance to miss, it should happen at least once for six uses, thus I would be able to destroy all shields (playing on normal since battle alonside very useful Melia against Saki and Venam, but it should work the same way on intense - just one more sturdy Magnezone is needed. Or anything with sturdy/priority like Talonflame). After that, my sturdy Donphan finished Gardevoir with one earthquake because of the octolock effect.

I think that Scripts.rxdata from Select weather mod [E17 community release] is in conflict with game stuff related towards Z-moves. I had problem that an error occured every time Z-moves was used. I changed to the original Scripts.rxdata and such error haven't occured. Text of the error: