Hacker in Adel Monastery

Map name: Adel Monastery
Location within the map around e4 - f4
Character name: Kengday
Character estimated level:29
Character equipped gear:Aviator
The type of hack/bug/exploit that was used: MASSIVE AoE
Time of day: Friday 10:59 GMT +1(2 minutes ago)
Exact time in either PST, EST, or CST: No clue
Screenshot : http://imageshack.us/photo/my-images/545/zlp8.png/
What were you doing and how did you witness this: I was running over to level my craftsman after the "duplicate items" maintenance just now and i saw this knight doing AoE that was WAAAY to wide in range