And of course, they come with their own special abilities adding replay value for those who love to play beyond the story and 100 % their games. (ab-gaming.com)
There is also a plethora of alternate costumes you can unlock that actually have their own stats and skill levels which adds some replay value. (darkstation.com)
All in all, it's a great little way of adding replay value after the story is completed. (kotaku.com)