The potential on Gix that was teased is "boosts power under certain conditions". If true, I wouldn't necessarily advise against going for an Austere.
I wouldn't fret it for the next week however, because those conditions may turn out to be not that bad (like Ares) or it could turn out to be awful or too awkward (<30%pp, Griffon weps). The series has a real chance to surpass Austere completely (stat wise they're much stronger) but that rests on the full details on what the potential turns out to be.
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