These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Game Breaker - Characters who have control over space, time, or dimensions, among other things, are considered this due to the setting and strictly regulated. A player may not app any such character until they have played either an Enforcer or a Councilor for a period of time to show whether or not they can be trusted with the responsibility.