You would Dusknoir the Charmeleon, not the Dusclops. Dusknoir-ing the Dusclops leaves them a turn to evolve into Charizard ex, meaning you have to knock out a 2-prizer in the next turn to win. By popping the Charmeleon and boss'ing the Rotom, you make yourself Briar-proof, and they can't do...