Bloodtide Coast (Can't Finish)
For that skill challenge you need to kill the River Drake and its 2 hatchlings (cant remember is they were called brood). When I did it awhile back the I could find only 1 hatchling, after looking around for a bit I was able to find the second one on the beach with the grubs and not with the heroic Drake.
Guild Leader for [Myth] Darkhaven