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From Pathfinder Lost Omens Monsters of Myth, which isn't enabled.

Devil's Trident

ITEM 9
UNIQUETHROWN-20
Price 100 gp
Usage held in 1 hand
Bulk 1
Category martial
Group spear
Damage 1d8 piercing

This +1 striking returning trident is made of an ancient black metal that glistens unnaturally and is cold to the touch. The prongs of this trident drip with metallic lake water. Strikes with the Devil's Trident trigger the weaknesses of any creature with a weakness to water.

Activate Command
Trigger You critically hit a creature
Effect The target must succeed at a DC 25 Fortitude save or become infected with sewer haze.
Activate envision, Interact
Frequency once per hour
Effect The trident casts 3rd-rank Quench with a DC of 25 and a counteract modifier of +15. You can Sustain the Spell as normal.
Activate envision, Interact
Frequency once per day
Effect You call upon the corrupted power of the trident to stay a foe. Attempt a Strike. On a hit, the trident casts 3rd-rank Paralyze on the target (DC 25). If the Strike was a critical hit, the target is Stunned 1 even if it critically succeeds at the save.

Sewer Haze

disease

virulent

Many healers and alchemists suspect that sewer haze has a supernatural origin, but the study is so unpleasant that research has made little progress.

Saving Throw DC 23 Fortitude
Onset 2 days
Stage 1 Stupefied 2 (1 day)
Stage 2 Drained 2 and stupefied 2 (1 day)
Stage 3 Drained 3 and Stupefied 3 (1 day)
Pathfinder Lost Omens Monsters of MythOGL