Duel vs Centaur Harry Potter Hogwarts Mystery Year 4 Chapter 6 Gameplay#2

Duelling Torvus the centaur and watch out for the draining ! i'm choosing Merula instead of Penny and Tulip, so please let me know if you choose the other two =) what's the different reaction ? and does the centaur still said don't trust these clan ? does it mean MC or other character cannot be trusted ?