>>23169230You'd probably have to give Parasect an evolution with Ghost/Grass or Ghost/Grass (the mushroom possessing the bug has the bug part die, so it's possessing an even more zombified husk), both still having a large number of weaknesses, but at least it doesn't have a quadx4 weakness anymore. Even with evolite, Parasect won't be too bad, so there's no reason they could've give it an evolution instead of a mega.
Alternatively, give it another form, one where it removes the mushrooms on its back and grows up to be whatever the fuck it becomes without it. Beef it the fuck up.