I have only had this unlocked for maybe 5 days now but I was again disgusted by my luck when my level 45 average team (player level only 45) ran into a level 56 purple team with Barriss and Dooku. All 9 remaining characters could not take out a single one, and only Sid and GS could get a hit in.
How does the random selector for this work? It's very discouraging. First two days I got to the second to last fight, last 2-3 I can't get past about 7. No amount of gear or crystals is going to get me close to that level for the next few weeks. I understand maybe 5 levels up and not purple gear, but 11? Really takes the satisfaction out of what should be the most challenging and rewarding game modes.