To unlock rule breaker in this level pack I recommend having the 2x red brick activated - you unlock this from the lord of the rings adventure world in the vorton.
Rather than studs this level has rings but they basically equate to the same thing, you will have so many chances to get rings through this level, destroy ring boxes and any enemies, dying will lose a few rings.
You will need 200,000 to unlock rule breaker and will unlock immediately.