Secluded but well-published alchemist in the Outlands
Gilles Søren is an alchemist living in the Outlands. Arathiel Horgold sough him out during his investigation of The Goatswood Flayer, requesting his assistance with a strange substance found at one of the crime scenes. Søren was not immediately able to identify the substance, but stated that he would continue to work with it, and would contact Arathiel if he discovered anything.
Søren lives a secluded life, and has ties with a coven known as the Council of Three.