Bite

Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) piercing damage. The target makes a DC 15 Constitution saving throw taking 35 (10d6) poison damage on a failure or half damage on a success.

Spit Poison

Melee Weapon Attack: +8 to hit, range 20/60 ft., one creature. Hit: The target makes a DC 15 Constitution saving throw taking 35 (10d6) poison damage on a failure or half damage on a success.

Command (1st-Level; V)

One living creature within 60 feet that the naga can see and that can hear and understand it makes a DC 16 Wisdom saving throw. On a failure the target uses its next turn to move as far from the naga as possible avoiding hazardous terrain.

Hold Person (2nd-Level; V, Concentration)

One humanoid the naga can see within 60 feet makes a DC 16 Wisdom saving throw. On a failure the target is paralyzed for 1 minute. It repeats the saving throw at the end of each of its turns ending the effect on a success.

Flame Strike (5th-Level; V)

A column of divine flame fills a 10-foot-radius 40-foot-high cylinder within 60 feet. Creatures in the area make a DC 16 Dexterity saving throw taking 14 (4d6) fire damage and 14 (4d6) radiant damage on a failure or half damage on a success.