Complete all the Quests at Heavens Peak, he's the final boss there.
heavens peak
yes
Sir William Galloway was born in 1840.
Sir William Galloway died in 1927.
Sir William Sidney was born in 1482.
Sir William Sidney died in 1554.
Sir William Dunch was born in 1578.
Sir William Dunch died in 1611.
Sir William Plumpton died in 1480.
Sir William Plumpton was born in 1404.
Sir William Gerard died in 1581.
Sir William Gerard was born in 1518.