Uploaded June 2021 | Updated September 2026, 7 hours ago

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Music: Eternal Sonata OST - I Bet My Belief
youtube.com/watch?v=dho3ZlUzR8A

Context:
This video features purely Full Auto teams: we don't touch the orange attack button.
Unfortunately, Grand Cagliostro is mandatory to achieve sub-20 seconds as far as I'm aware.
Fif 4* is generally sufficient.
Ping: ~90ms

Alternatives and Considerations:
Summer Rosamia, Juliet, Xmas Mary with ULB Opus if you don't have Grand Cagliostro.
SR Mirin cannot be used due to her S3 unless you press the attack button before she uses S3...which will be partial Full Auto which is not the purpose of this video.
Not sure if Shitori can replace Grand Cagliostro as I do not have her.
Juliet and Xmas Mary are interchangable.
Light Silva at backline if insufficient damage.

Setups:
1. ULB Opus, Sword Grid (00:00) 16 Seconds
Optimisation? 5* or 6* Fif. Note that Grand Cag will have difficulty capping her Ougi if there is no def down, even when there are plus marks and ULB Opus.

2. No Opus, M2.5 Grid (00:55) 19 Seconds
MC Dispel (for 888k nuke by G.Cag, and raising her stack)
If insufficient damage, replace a sword with FLB Opus or add plus marks.
If you got ULB Opus, look at 1.
For optimisation, you may want to remove dispel and add in FLB Opus. But I cannot verify this as I cannot undo Opus uncap.

3. No Opus, Sword Grid (01:54) 20 Seconds
MC Dispel and Twin Coil
If insufficient damage, replace a sword with FLB Opus or add plus marks
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Caveats:
Juliet's DEF Down success rate is not documented in wiki as of 7th June 2021.
Not worth farming M2.5 Grid to optimise for; it is a sidegrade to Sword Grid.
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Characters Over Mastery Bonuses:
Assume all are Awakened Lvl 7
Fif: 1.2K Att, 16% CA Dmg. No nodes taken
Juliet: 1.8K Att, 27% CA Dmg. No nodes taken
Cag: None. No nodes taken
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Reference:
https://gbf.wiki/User:Midokuni/Notepad/Full_Auto/Characters/Light