Yeah but it's common sense right? if the fight requires you to be mobile to dodge and preform then summoner will do great on single target and that includes aoes. If it isnt that heavy on mobility then blm wins. There is no way a blm can be mobile all the time and sustain high dps for the same reason why a blm can sit there and blow things up while being top dps. I think t12 also favors blms over summoners, everything in there dies so fast summoner dots won't tick for much on adds which makes the majority of the fight a stand still single target fight with minor mobility requirements.

As for A4, I have a feeling it'll be blm friendly. There aren't any intensive ground aoes that requires much mobility.

Also when I said "way better" i'm talking about blms reaching melee level when stationary. The best part is, blms have the confidence to do so lol, they seem to lose it when it's aoe time.