GAIA: The Dark Realm

From the beginning there were two identical worlds, parallel dimensions you could say. One of which, is full of life and colours, in contrast the other is partially dead, full of negativity and darkness with some very unpleasant creatures roaming around. One day an entity, a sort of shadow from the negative world, decided that it was bored of only ruling over one world, and wanted to transcend to the next to consume it. The entity itself cant cross over all together, so over time it has slowly been trespassing and leaving shrines of his own with creatures guarding it, in order to hold back the...