From Pathfinder #218: Titanbane, which isn't enabled.

Hero Killer

ITEM 9

Usage held in 2 hands

Bulk L

Activate (manipulate)

Crafted from nightshade plants that grow near sites of mythic power, this poison wreaks havoc on those with a mythic calling.

Saving Throw DC 28 Fortitude

Onset 1 round

Maximum Duration 5 rounds

Stage 1 3d6 poison damage and lose 1 Mythic Point (1 round)

Stage 2 4d6 poison and Stupefied 1 (1 round)

Stage 3 6d6 poison damage, Stupefied 2, and lose all Mythic Points (1 round)

Pathfinder #218: TitanbaneORC