Blightburn ResinConsumable 11
Source Pathfinder Core Rulebook
Price 225 gp
Weight light
This tacky, hardened sap is harvested from trees infected by fungal blights and exposed to open flames.
Activate 
Interact (Contact)
Saving Throw DC 31 fortitude
Onset 1 minute
Maximum Duration 6 rounds
Stage 1 8d6 poison damage (1 round)
Stage 2 10d6 poison damage (1 round)
Stage 3 15d6 poison damage (1 round)
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
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.
ContactThis poison is delivered by contact with the skin.
PoisonAn effect with this trait delivers a poison or deals poison damage. An item with this trait is poisonous and might cause an affliction.