Darkening Poison

Many calignis keep several doses of darkening poison, an uncommon injury poison made from Darklands spider venom, on hand to incapacitate foes. Saving Throw fortitude|dc:16 Maximum Duration 6 rounds Stage 1 1d6[poison] (1 round) Stage 2 1d6 poison and creatures you can see only with darkvision are from you (1 round) Stage 3 1d6 poison and creatures you can see only with darkvision are from you (1 round).