Serpent Fang Toxin is an uncommon type of Coating that can briefly coat a weapon in a potent poison to deal extra damage.
From political assassinations to marital dysfunction, poison's got you covered.
Properties
Potions
Single Use
Rarity: Uncommon
Weight: 0.2 kg / 0.4 lb
Price: 10 gp
Effect
- Coat you active weapon for
Duration: 10 turns with toxin that deals an additional damage when attacking.
1d6 (1~6) 
Poison damage - On a successful
Constitution saving throw, target still takes half damage.
Where to find
Can be crafted via the Alchemy system with