From Pathfinder Lost Omens Impossible Lands, which isn't enabled.

Lesser Enhance Venom

FEAT 1

Prerequisites Envenom

Your venom grows deadlier and more plentiful. You upgrade the vishkanyan venom you can apply with Envenom to lesser vishkanyan venom. Envenom's frequency becomes once per hour.

Lesser Vishkanyan Venom (level 1)

Saving Throw Fortitude

Maximum Duration 6 rounds

Stage 1 1d6 poison damage (1 round)

Stage 2 1d6 poison damage (1 round)

Stage 3 2d6 poison damage (1 round)

Pathfinder Lost Omens Impossible LandsOGL