serpent venom

SERPENT VENOM
Poison (injury)
This poison must be harvested from a dead or incapacitated giant poisonous snake. A creature subjected to this poison must succeed on a DC 11 Constitution saving throw, taking 10 (3d6) poison damage on a failed save, or half as much damage on a successful one.

serpent venom

D&D 5e West Marches Kaleidoskulls