My first attempt with using the "JP" triangle strategy for Garuda Ex!

[Cheeto]

Misinformation is all over the place whenever people talk about this fight. Mostly because the fight hinges around the dps speed, so if you get used to doing it with a static group - you're in for a different experience if you get in with another group with higher or lower dps.

Suparna loses wicked wheel after Chirada dies, so she's actually safest to double tank. Chirada does not lose downburst after Suparna dies, and it hits like wicked wheel, so she is more dangerous to double tank. In a decent party, this doesn't technically matter either way, as the first sister will be dead and the double tank situation will be over before the 2nd supermove comes out. But we aren't talking about decent parties, we are talking about random guaranteed terrible FFXIV players.

If your party simply must kill Suparna first, just make sure you don't dps Chirada at all until she's gone. A not very fun way to wipe is to have MT holding Chirada and Garuda, and then Suparna and Garuda switch places. Sup and Chi get their 8 stacks of invulnerability for standing next to each other, and the party is left wondering wtf happened.

[Dhex]

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+1 for truth.

Fairly simple to tank once you know the mechanics. With good DPS using the MT on Suparna/Garuda and OT/DPS on Chirada also makes the fight cake for Melee since they aren't worrying about dodging Wicked Wheel. With decent DPS you can go 2x Tanks, 5x DPS (2x Melee BRD 3x Ranged/Magic) 1x WHM and literally wreck Garuda.

The fastest I've seen the fight downed is the Howling Eye phase after the 2nd sister drop. (Yes 2nd, that quick!)

I'd also note that if MT has Suparna/Garuda in 2nd sisters phase, and OT Chirada/Spiny that post Chirada dying @ the 2 Stack mark the OT and MT can trade Spiny and Suparna or all the Melee and OT can gather together on the MT's side (PLD) and they can do Hallowed Ground which allows them to eat both Slipstreams without repercussions and allows DPS to open up on Garuda very quickly - you then move to the Howling Eye phase (by which point the LB bar should be capped @3) and the Melee DPS can again burn on Garuda and then Limit Break to finish her before she jumps (Mages/Ranged handling plumes).