Final Fantasy Ever Crisis - Ramuh EX2 - Sigil and Lightning phase

Because many people have an issue with those two phases and how to sequence them, here is a breakdown.
1) Glenn does O, Red does Diamond, Aerith does X
2) AFTER breaking, 1-2 Water DPS to reduce bar, then Leviathan to kill adds when "Charged Current" appears. For Glenn specifically, you can fit 2 Water attacks and 1 3AT Water buff for Leviathan to hit harder.
3) DO NOT issue other limits together, we want to cancel boss to gain ATB (Ignore my Kamura here, I will cancel it anyway). Stardust goes out in the FIRST or SECOND "Lightning" attack, to cancel boss animation and charge us more ATB.
3) AS SOON AS we get hit by second "Lightning" attack we will have many stacks of mdef down, so we cleanse with Breath of the Earth, THEN we apply Kamura buff to ensure the rest of the attacks will land on 3 stacks of mdef up, as our healer will be STUNNED so we need to survive the upcoming barrage. This is why we cancelled earlier to gain ATB to do just that ;)
4) Red will provide additional healing when Aerith is stunned (or vice versa in co-op, as you will have varying teams).
5) The final part of the sequence will have Red debuff the boss with Junk Collar.
Note: I stance dance during the Lightning sequence to preserve max stance for DPS as much as possible. IF you can't sequence this, it is better to stay in defence and raise it after this sequence than push daisies ;)