Tenn. Code § 28-2-105
Any person holding any real estate or land of any kind or any legal or equitable interest therein, and such person and those through whom such person claims having been in adverse possession of same for seven (7) years, where the real estate is held and claimed by such person or those through whom such person claims by a conveyance, devise, grant, a decree of a court of record, or other assurance of title purporting to convey an estate in fee, and such conveyance, devise, grant, or other assurance of title, has been recorded in the register's office of the county in which the land lies for a period of thirty (30) years or more or such decree entered on the minutes of such court for a period of thirty (30) years or more, is vested with an absolute and indefeasible title to such real estate or interest therein.
T.C.A. § 28-2-105