Parallel World, Light World/ Dark world

Light World Dark world is more of a subset of parallel world, I think they should be joined and Light/ Dark world added as an alias for parallel worlds.
Links:
Parallel:
http://www.giantbomb.com/parallel-worlds/92-595/

Light:
http://www.giantbomb.com/light-world-dark-world/92-791/

Hmm...I guess I'll keep the Parallel Worlds page. Thanks duder.