Happy to bust out the math anytime. :)
I will make one amendment to what I said. At ludicrous numbers of defeats, even the small % difference between the two results in some increased damage for the CD set. At 3500 offense, it’s around 100 more damage per hit at 10 defeats, around 700 more per hit at 100 defeats. That does add up over time for raids.
Assuming 100% CC:
X = Offense without set bonus
Y = Number of defeats
CD-SET_DMG=X*(1+.15Y)*2.22
OF-SET_DMG=1.15X*(1+.15Y)*1.92
Simplifying and taking the ratio:
OF-SET_DMG / CD-SET_DMG = (2.208+.3312*Y) / (2.22+.333*Y)
@Y=000, Ratio=.99459
@Y=050, Ratio=.99459
@Y=500, Ratio=.99459
Ratio remains unchanged even if you make Y a million.
As to the 2 piece set, I agree that’s more complicated. For PVP under MT lead, potency could be a good choice (for stun on basic). A high potency NS squad that keeps stun locking everyone can be a pain to deal with. Her base potency is so low and it’s only 50% stun chance, so I wouldn’t use it under her own lead though. Also agree that potency not as good for (her role in) raids. I like the health suggestion since she also gains 15% max health on defeats. Possibly tenacity. I don’t think CC is bad for lower gear either (natural CC under 40%). If you have G12+ or relics, it’s much less useful as has already been explained.