You go first in 7. Much easier. I actually found six much trickier and I used Lvl 85 G9 KRU, Kylo, FOST, FOTP, Phasma.
As for your Squad? Speed is sorely lacking.
Until mod changes come around, offense mods are really awesome on First Order, unless you can already do CD Mod Challenge. If you can, 4 CD mods on basically everyone. Critical chance for the other 2.
I found going after bb8 first and taking him out first made the whole battle so much easier to beat once bb8 was gone.
That's what I tried to do my first few attempts. Once I switched it up and took out the weaker guys I was able to do it. Couldn't kill BB8 quick enough to make it work.
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As for your Squad? Speed is sorely lacking.
Until mod changes come around, offense mods are really awesome on First Order, unless you can already do CD Mod Challenge. If you can, 4 CD mods on basically everyone. Critical chance for the other 2.
I was wondering why I lost 1 in 6* but not in 7