Here is Bauchan: 👑 Knights of Avalon: Bauchan – Thoughts & Discussion
In general the special 3 stars are really good compared to the classic ones. Especially, Melia, with her secondary special. Mnesseus is a very good as a sniper dispeller and Rudolph has one of the highest attack stats among 3 stars and his mana cutting is useful. I use them all in rare tier events and tournaments, they are really good 