Complex sentence: While nonsense may employ the strange creatures, other worldly situations, magic, and talking animals of fantasy, these supernatural phenomena are not nonsensical if they have a discernible logic supporting their existence.
Split into simpler sentences: While nonsense may employ the strange creatures, other worldly situations, magic, and talking animals of a fantasy, these elements in themselves are not nonsensical. Supernatural phenomena do not create nonsense as long as they have a discernible logic supporting their existence.