- A secret will that is signed, sealed, and given to a notary public by the person making it, with a signed statement asserting its validity. It's only legitimate in Louisiana under specific conditions
- In Louisiana, she chose to arrange her affairs using a mystic will to maintain secrecy.
- The notary public witnessed the delivery of a mystic will, which was sealed by the testator.
- His decision to create a mystic will led to a series of legal discussions about its validity.