Second 5* Magicite down! Hecatoncheir has fallen in 24s, though I hate this fight with a passion beyond measure.
Spoiler: Party:
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Cloud - LS/RQS - USB1/USB2/Glint/LMR - Gathering Storm
Tyro - Wrath/Entrust - GodWall - Mako Might
Zack - LS/Ripping Blast - CSB - Ace Striker
Aerith - Hastega/Curada - USB2 - Dr Mogs
Zidane - Mug Bloodlust/ Dash N Slash - Imperil USB - Scholar's Boon
RW: Raider
Party order is very important on this fight. One of his earliest moves is Blind slots 2 and 4, then if you're not quick enough 1 and 5. He also Confuses slot 3 near the end of the fight.
Outside THAT, this guy spams moves like no tomorrow. He has a move that grants him 3 turns of instant cast, on top of removing Haste, on top of the aforementioned status effects. He may not hit hard, but he hits a lot. To the point it's going to be a huge pain to beat him 3 more times.
Edit: Nevermind. Seems that set up was a pretty consistent clear. Took 2 resets in 3 more clears but farming is done, just need to level it.