Poison Gems are upgrade materials in Dark Souls III.

In-Game Description

A gem of infused titanite. Discovered in the rotted forest of Farron.
Used in infusion to create poison weapons.
Such weapons inflict poison-laced damage that gradually eats away at foes.



Infuses a weapon with Poison, allowing it to inflict Poison status at the cost of reducing Strength, Dexterity, Intelligence and Faith scaling, as well as base damage.


  • The Farron Coal is required in order to start using Poison Gems for infusion.