I have 1 Zeta, my best team has GS10. Node 12 is full Zeta team of, GK GS12 240 Speed, RZ-DZ GS 12 230 Speed, Zarriss GS12 180 speed, Rex GS 11 220 Speed, Darth Nihilus GS 12 Speed 188. Damn w...
Gear level is more important than star level - what gear were they? Who were the other 2 members? It sounds like you got a zFinn without a full resistance team? What did you try to use to fight them? zFinn is not played well by the AI so you shouldn't have had that much trouble.