Gift of The Serpent (Tier One)

Passive: You gain a resistance to poison, as well as advantage on saving throws against poison.

Active: You can summon an ethereal serpent fang causing a creature you can see within 60 ft to make a DC 10 + double your proficiency bonus DEX save. On a failure the target takes a number of d8 equal to double your proficiency bonus poison damage and is poisoned until the start of your next turn. On a success they take half damage with no other effects.