Jervis is a traveling salesman that the party met on the way to Larondell. His wagon had been attacked and he required assitance.
When in Larondell he stays at the Roc’s Nest.
Jervis is a fount of knowledge on local matters. He also has the ability to create minor potions and potentially more powerful ones with some lead time. He also claims he can likely get his hands on many other interesting or powerful items in his travels if one wants.