[Society NPC] tells you, "I have a task suitable for one who has visited the Dark Isle. Listen, and I shall instruct you."
[Society NPC] tells you, "There is, upon the Dark Isle, an undead Ruschk named Vaeshok. He has thrown off the mantle of his former master, and now seeks to serve a new master - the dark power behind the Blight."
[Society NPC] tells you, "Go and defeat him, then return to me. I shall know if you have succeeded."
[Society NPC] tells you, "you have succeeded in my task. Very admirable. Take these in recognition of your service to our Society. Vaeshok may again be a threat to us in a week's time. Return then if you wish to defeat him again."
[Society NPC] gives you 10 [Society] Commendation Ribbons.