>>29947518Just did the calcs myself, both by doubling Bewear's defense and by Halving Rayray's Attack
the OP screenshot assumes that Bewear has +1 Def ON TOP OF the boost from Fluffy
in a vacuum, with Fluffy, base 120 HP, base 80 Def, and full HP EVs, mega rayquayza still OHKOs it
-2 252+ Atk Choice Band Mega Rayquaza Dragon Ascent vs. 252 HP / 4 Def Winnie the Pooh: 494-584 (111.2 - 131.5%) -- guaranteed OHKO
252+ Atk Choice Band Mega Rayquaza Dragon Ascent vs. +2 252 HP / 4 Def Barenstein Bear: 494-584 (111.2 - 131.5%) -- guaranteed OHKO