Heahmund, as declared by the show, was a historically documented warrior bishop in 9th century England. His contribution to the Wessex story tends to get lost. Initially ordained as Bishop of Salisbury, he eventually took on the role of Bishop of Sherbourne. [Heahmund] was hailed as a fearsome warrior and tactical genius. In return, he proved to be a powerful and effective ally, swearing an oath of loyalty to the kings of Wessex. Abbot Æthelwynn’s life came to a heroic, if tragic, crescendo when he met his death fighting bravely against the marauding Viking army in 871. He truly did a heroic stand fighting with King Æthelred and future Alfred the Great.
Heahmund's reputation as a warrior bishop stems from his dual role as both a religious leader and a military strategist. His talents weren’t limited to the metaphysical realm, he was a gifted killer on the battlefield. His sharp mind and strategic thinking proved invaluable to the West Saxon forces. From there he took them boldly to meet the Viking invaders who were threatening to engulf their lands.
The battle in which Heahmund met his end remains shrouded in mystery, but it is believed to have taken place in one of three possible locations: Dorset, Hampshire, or Wiltshire. The battle was vicious, a testament to the magnitude of the Viking hordes who had ravaged the area. Despite the ferocity of the battle, Heahmund's courage was unwavering as he fought alongside his liege and future legends of Wessex.
After his death at Meretun, Heahmund was buried at Keynsham. His life and service made a difference that continued for years after he left this earth. Today, as in the past, both the Catholic and Orthodox churches honor him as a saint after his canonization. Today his legacy lives on, but so many aspects of his life still live under the cover of mystery, as few details can be found in historical documents.