Nightmare SaltConsumable 20
Source Pathfinder #149: Against the Scarlet Triad
Price 14,000 gp
Weight light
This potent poison consists of crystals whose flavor and appearance mimics edible salt but whose effects are deadly: victims experience periods of waking nightmares that overload the senses and eventually result in death through a combination of shock and exhaustion.
Activate 
Interact (Ingested)
Saving Throw DC 43 fortitude
Onset 1 hour
Maximum Duration 5 days
Stage 1 Frightened 2 once every 1d4 hours, plus Fatigued (1 day)
Stage 2 Confused for 1 minute once every 1d4 hours, plus frightened 3 and fatigued (1 day)
Stage 3 frightened 3, plus confused for 1d4 minutes, once every hour, plus fatigued (1 day)
Stage 4 death
Traits
This rarity indicates that a rules element is very difficult to find in the game world. A rare feat, spell, item or the like is available to players only if the GM decides to include it in the game, typically through discovery during play. Creatures with this trait are rare. They typically can't be summoned. The DC of Recall Knowledge checks related to these creatures is increased by 5.
AlchemicalAlchemical items are powered by reactions of alchemical reagents. Alchemical items aren't magical and don't radiate a magical aura.
ConsumableAn item with this trait can be used only once. Unless stated otherwise, it's destroyed after activation. Consumable items include alchemical items and magical consumables such as scrolls and talismans. When a character creates consumable items, they can make them in batches of four.
IngestedThis poison is delivered when drunk or eaten.
PoisonAn effect with this trait delivers a poison or deals poison damage. An item with this trait is poisonous and might cause an affliction.