Thanks for this--it's interesting in that I think it's a big diversion from the 'normal' method and normal is borrrrring.
So if I remember the order of and number of things properly (and I might not, it's all a mess in my memory now), HE/B4B/Barrage come up again right before second Earthshaker and would still be running during third Megaflare, with Raging coming up at the tail end of third Mega. Do you just hold them all until P2? I've done that occasionally with HE/etc if I got targeted for Earthshaker and thought we'd push really close to Megaflare, but then I think I wound up with nothing but maybe IR for the second add. I think. I should pay attention maybe.