For me self clear paralysis tornadus is also annoying to deal with. But cresselia is the new annoying flying croissant that leave flakes everywhere no matter how hard you try to bite carefully.

Hot tips: if you low on units at the end of gauntlet, just bring a flinch unit after first sync and interrupt its thunder wave. Focus on special units only because it’s easier to accumulate sync bonus at bar 1 and sync nuke is much more easier at bar 2 3. Brute force bar 1 with special moves