[Extra] Batman: Arkham Knight - AR Challenges | Chemical Reaction

A 3-Star run of Chemical Reaction, a dual-play predator mission starring Batman and Nightwing. This is from the Crime Fighter Challenge Pack #3. Skins used for both characters are their Arkham City skins. Star Requirements: - Take out all enemies without using Detective Mode - Take out all enemies without being seen - Take out 5 enemies in 5 seconds