I just have my 7* stars Darth Vader and he is still too weak (it took me ONE YEAR), even under Palpatine's lead, Vader is the most iconic Star Wars Character, and one of the hardest toons to farm, ple...
I don't want him to have more synergy with Palp. Two toons specifically synergizing with each other reduces the creativity of team comps because they have to be used as a pair.