The XYZ is an immaterial dimension beyond the boundaries of our familiar reality. A realm of pure energy and consciousness, only accessible by beings who have transcended the laws of physics and confines of the the physical world.
There is an abundant magic in the XYZ, a specific type which imbues the spoken word with great power. Many Wizards, Alchemists, and Word Smiths eagerly tap into the XYZ invigorate the effect of their verbal abilities.
ABRACADABRA is one the most common incantations used to invoke the power of the XYZ.