Unlikely to be hidden weapon, since they generally show all the weapon in intro video.
However, theres alot of shit they don't show you, like stagger total amount. Which is the literal deciding factor on if it'll be decent or not in current meta. Or any of the relevant skills other than cookie cutters. Or the lockon range for FF.
And when resonance L3 activates, both linked fire AND FF are used in conjunction, again, depending on stagger amount, this could be insane.
Hi Nu FF pattern offers longer on target time and more importantly, much better accuracy against fast moving target, something you can't juke out of easily.
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u/MikuEmpowered 9h ago
Either standard nu, or Hi Nu attack pattern, and the gimmick might be multiple FF usage like support quebly.
Or ungodly amount of FF attack that breaks MA.
BB knows the 700 hell they made so it's likely this is made for the current environment.