Duke Gorlois was a successful warlord and was a favorite of King Aurelius Ambrosius, who gave him the shrievalty of Tintagel in perpetuity.
He took much of the Cornwall peninsula from King Idres and guarded against incursions from Ireland.
He was a successful war leader and great inspiration to his men.
He was killed at the Battle of Terrabil after having slain Prince Madoc.