DISCLAIMER: Your Steps and Tasks may be different
Obtained from Pondar Cully in the Academy in Camelot.
Follows the Render the Earth Quest.
After you obtain Drakoran Investigation from Pondar, talk to him again and get Unusual Activity Quest. Both can be completed on the same trip.
Explore Dartmoor and attempt to locate the Stonecrush builders. Once you find them, kill two and return to Pondar Cully in Camelot at the academy library. They may be clustering around existing structures or working in open areas.
Quest Goal: locate and kill two Stonecrush builders (0/2)"
(Note: some are told to kill Stonecrush Guardians for this step)
As you past down the eastern edge of Dartmoor (easiest path to lair), you will notice that things are changing in Dartmoor. Giants are wandering more and there is what looks like some building activity with some Stonecrush builders. Kill 2 of the builders (they con yellow to lvl 50)
I was able to get through with a pally and a bot taking my time, a few extra people and it would be breeze right through.
Return to Camelot to see Pondar
Unusual Activity Reward:
3,374,280,000 XP and 183 gold, 80 silver, 92 copper