The Viper's Den Knives are a dangerous set of famed throwing knives which grants its wielder the ability to restore their health using the Healing Boost Weapon Skill, as well as giving that pirate an infinite amount of Viper's Nest, and increasing damage for the Viper's Nest skill. Many pirates who rank on the Leaderboards for Enemies Defeated use this on the Veterans (Royal Navy) at Kingshead.
- Attack: 39
- Abilities: Healing Boost 3, Infinite Viper's Nest, Viper's Nest +1
- Level Required: Dagger 21
- Resale Value: 86 gold
- Cost: This can only be found in loot