Naga-Kin:Anaconda

As a Anaconda-Kin you are built larger than your relatives, Anaconda-Kin are more barbaric and have lifestyles similar to that of Goliaths and Lizardfolk. Typically dwelling in deep jungles or in the rocky mountain caves. Anaconda-Kin are usually 7ft-9ft tall.
Constrict. If you successfully grapple or restrain a target with your tail, you can perform a special unarmed strike to constrict the grappled target, dealing 3d4 bludgeoning damage.
Rigid Scales. When determining your armor class, without wearing armor your AC is equal to 13+Constitution modifier.