Fair enough, just nitpicking on the "health club dude" part
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Also, I quickly rechecked Thea's fights for fun... Eh, I'd say it's the same as Sara, except with less experience. Her feats are not that bad, except that they come with caveats:
-Her Anarky fight is probably her best feat (plus it was under bloodlust). Anarky is actually pretty good, capable of deflecting arrows. However, when Ollie is at the top of his game, he treats him like a nuisance while having to find a bomb and fire a disarming arrow at it.
Thea vs Anarky (plus Ollie being rusty)
Non-rusty GA vs Anarky (bonus: Ollie using his... usual methods to dissuade people from embracing the vigilante lifestyle)
-A lot of defeating mooks.
-She consistently held her own against Malcolm, but each time it was either in training conditions, or Malcolm was getting used to his cybernetic hand, or he held back due to loving his daughter, in his own twisted, "Worst father of the decade"-way.
-She did defeat Talia in S8, which... I'm actually somewhat okay with. It is demonstrated in their fight that Talia is the superior swordswoman, and Thea only wins by being aware of her surroundings (plus Talia channeling "The Climb"-Ollie for the killing stroke there). Maybe a few points for the superior Queen genes there (actually, the Dearden genes, since they would have to be inherited from dear old Moira).
However, no significant durability/damage soak feats for her as well.