From Vanguard Wiki
Travel to Themnwar's Shield to speak with the Investigator and to Three Rivers to speak with Gert Ironbrow. Once that's done, report to Lars Orson in Renton Keep.
"The tactics these humans are using mean they are under some sort of agenda. Bandits usually don't risk that much merely to destroy something when they have nothing to gain. I need you to look into this problem and follow it to the end."
"Speak to an Investigator at Themnwar's Shield and in Three Rivers get any information you can. Once that's done, I have an old friend in Renton Keep that has ears everywhere. See what he has to say."
- Find out what Hulgrand has learned
- Speak to Gert Ironbrow