pf2e.fyi
From Pathfinder Treasure Vault (Remastered), which isn't enabled.

Clubhead Poison

ITEM 12
Price 340 gp
Usage held in 2 hands
Bulk L
Category poison

Activate (manipulate)

This poison is named for the strain of fungi from which it's distilled. Hallucinations assail the victim's mind, causing them to see imaginary foes.

Saving Throw DC 32 Fortitude
Maximum Duration 6 rounds
Stage 1 3d8 poison damage, Off-Guard, and can't take reactions (1 round)
Stage 2 4d8 poison damage, off-guard, can't take reactions, Stunned 1 (1 round)
Stage 3 5d8 poison damage, off-guard, can't take reactions, and stunned 1 (1 round)
Pathfinder Treasure Vault (Remastered)ORC