Prime Materials: Priestess of Lolth's Whip of Fangs for D&D 5th Edition

WHIP OF FANGS
Magic Weapon (whip), uncommon (requires attunement)

You gain a +1 bonus to magical attack rolls and damage rolls with this magical whip which deals 1d8 piercing damage and 1d8 poison damage.

In addition, a whip of fangs has 1d4+1 serpent's heads that react to their wielder's emotions, and you have advantage on Intimidation checks.