You can explore the Dragonewt Wilds with some initial success, but prolonged searching will incite a Dragonewt attack that can cause great harm to your party. Further encounter can even have the Dragonewts warn you, threatening a final day of reckoning that they have the means to follow up on.
You may improve relations with the Dragonewts through the Issaries heroquest, making sure to pick Dragonewts from the list of outsiders.
However, this isn't the only treasure you find:
Note: The odds of receiving these treasures are dependent on your relations with the dragonewts.