Did you even read what I just typed? I said if they did make WoW support controller THEN bosses mechanics will get simpler, not now really.
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I do play FFXIV and I did some hardcore raiding in both vanilla and Heavensward (I became filthy casual after the end of Heavensward). And I still stand with my point that most bosses mechanics are simple just avoid stuff not as complex as WoW mythic raiding. I am not saying this is a bad thing just stating the issue here.