Unlock or maybe 6*
I will be running g12 zBossk: 232 speed 70k protection. G12 boba: 58%cc, 136 speed G11 cad: 59%cc, 144 speed G9 (maybe 10) Aura: 43%cc, 205 speed currently (2 pieces for g10 all farmable) G9 Greed...
Forum Discussion
You should be able to get 6*, with the right RNG it might even be possible for 7*.
