Spirit Naga is a Large monstrosity with chaotic evil alignment and Challenge Rating 8 in the 2014 SRD. This stat block includes AC 15, 75 hit points, speeds, traits, and actions.
The Spirit Naga is a 10-level INT caster.
Cantrips
(at will)1st level
(4 slots)2nd level
(3 slots)3rd level
(3 slots)4th level
(3 slots)5th level
(2 slots)Bite - Melee Weapon Attack: +7 to hit, reach 10 ft., one creature. Hit: 7 (1d6 + 4) piercing damage, and the target must make a DC 13 Constitution saving throw, taking 31 (7d8) poison damage on a failed save, or half as much damage on a successful one.