>>14572153Aegislash's problem won't be mons walling him, since he can have really great coverage pretty easily. But I can totally seeing it getting no set-up opportunities and getting fucked over easily. Bulky grounds take a hit and KO with Earthquake, and especially offensive rain won't give a fuck and just direct all dem Hydro Pumps to the shield form. And then there's still status and megas and ...
I'm definitely not saying it's bad, I love Aegislash, it's really interesting and I definitely plan to use it competitively, at least in one of my early teams. But it's plain impossible to guess how it will work out for all the people playing a metagame.