I seriously expected more of a fight from the Grand Master. He had Qui-Gon and Plo Koon as his allies. Windu removed his foresight, Eeth Koth stunned him, Lumi ability blocked him ... my squad just pummeled him. Really wasn't even a close fight.
QGJ IX (L), Windu X, Lumi IX, JC VIII, Koth VIII, all L80 except Koth L73. Some unleveled 1-2* mods on Windu and QGJ.