He and Professor Isaac Dobbs came to Middletown after Lord Urton asked the Society to investigate unusual events in town. When they arrived, though, they were not welcomed by Lord and Lady Urton. This was because they had been possessed by the fire elemental.
When Gaddis dowses near the fissure where the fire elemental came from, he discovered lines of power emanating from it. Before he could share what he found, Lord Urton found him. Gaddis was incinerated so as not to reveal his findings. (PROSE: The Burning)