I don't think it's that OP, when you take in consideration a few things: 1. If you're using Mei Feng's "Vent Steam" to protect them, that's one less AP she has for attacking. Anyone familiar with her knows that she can get into combat easily on any turn, provided there're scrap markers or constructs to Rail Walk onto. Save for the trigger from Vapormancy, you'd be spending AP using that instead of attacking. 2. 26 points invested into 3 models usually isn't a bad idea, but only Sensei is a Henchman, and TT Archers only have Df 4. Mei Feng would have to do her job protecting the TT Archers just as much as take down enemy heavy hitters. Which leaves 24 points to invest in people running Schemes and objectives, upgrades for Mei, and adding to the SS pool. That all being said, if the rest of the crew was dedicated to Scheme and Strategy running, it wouldn't be too difficult to play against. Otherwise, I would imagine this crew being a slower moving one, making certain schemes and strategies harder to accomplish.