Board Thread:Character Discussion/@comment-25555565-20150704032632/@comment-1170080-20150723202957

The Darkness is probably just an supernatural force just like Magic, from the void between worlds. It is probably also related ot the creation of the Dark Curse, which takes the from of an gray-black clouds and it was guarded by Chernabog, a being of Darkness. The Shadow of Neverland can also travel between worlds, because it's also composed of Darkness.

Whenever someone uses the Magic Beans it creates an vortex of light, which kepts the Darkness out from getting in, so that the users can travel safely.