Fate of the Summoner

Madness... Death... and Mayhem
There is chaos on the streets of Shadowhaven, as glowmad, and something even worse attack the peaceful inhabitants.
An elven strike force prepares to destroy every wildling on the isle of Canopy.
Demon summoning cultist’s scheme and plot in the tunnels of Mount Ore.
How are these events linked? What does it have to do with a routine salvage haul?
What was the final destination and Fate of the Summoner?