After you complete the "Do no Evil" quest, it is possible to find a crate containing an elite clue using your Ava's Alerter. You need a spade to this, and you can only do it once. I think there are more locations than the 4 I'm providing, but that are not currently known. I found mine on lunar isle. I think this is worth adding into the rewards section, or tips & tricks section. Hope this helps South west part of lunar isle: Elven lands, right after you exit the underground pass: The iceberg faced in the penguin quests(cold war, hunt for red raktuber): In Meiyerditch: