Sub-Zero Saviour

Based on Undercover Operative's Harry the Heathen Challenge: When Harry makes a startling discovery about his parentage, it sets him down a path that will, quite literally, chill the bones of anyone that dares cross swords with the new and improved Harry James Potter. Grey Powerful Harry: Now a Harry/Luna; OOC Characters; PoA/GoF/OOTP AU; AD/RW/MW/HG Bashing