|In 251–283 AC
A Clash of Kings
Ser Harys is a member of the force under the command of Lord Roose Bolton that took Harrenhal. During a war council following the arrival of news of Tywin Lannister's victory in the Battle of the Blackwater, he doubts the chances of their 'boy king', Robb Stark, against Lord Tywin, who has defeated a seasoned commander like Stannis Baratheon, their
A Storm of Swords
Ser Harys was introduced to Lady Catelyn Tully at the Twins on the eve of Lord Edmure Tully's wedding along with the other Haighs and their Frey kin. During the Red Wedding, he wrestles a Vance and is aided when Black Walder Frey hamstrings the man.
A Feast for Crows
When news of the raid at Saltpans reached the Twins, Ser Arwood Frey, Ser Harys and Ser Donnel Haigh rode to the town with a small force to investigate. There they found Ser Quincy Cox, the Knight of Saltpans, sitting behind his walls and the town in ashes.