I nodded, "there is a protective spell that was created by the Court of Night, that prevents non Fey from being in the Feywilds for long. During the time they lived in the Material plane, it was used to prevent infiltrators into the Capital and the courts. The enchantment causes insanity in the form of the person’s deepest fear or regret. It’s.. what I used as a template for the wards on my parents non magical home."