Snake Fangs

Your jaw unhinges as your teeth extend into wicked fangs. For the spell's duration, you gain a fangs unarmed attack. They're a finesse, grapple, unarmed attack that deals 1d8 piercing damage and an extra 2d10 poison damage. If you have a creature at least one size smaller than you with your fangs, you can use the ability that deals ] damage and has a Rupture value of 17. A swallowed creature is transported to an extraplanar space that resembles the inside of a snake's stomach, so when it gets free, it appears in a space adjacent to you. If you're killed or the spell ends, the swallowed creature is immediately freed.

Heightened (+3) The extra poison damage of your fangs unarmed attack increases by 1d10, the damage dealt by the Swallow Whole ability increases by 6d6, and the Rupture value increases by 9.