Although Iseult was only a supporting character in The Last Kingdom, she remains to this day a fan-favourite, as fans fell in love with her personality.
I think this character is fantastic because she is not the norm for back then.
Many more dead Saxons and Danes killed in the Battle of Ethandun or Edington including the beheading of a Shadow Queen, the subsequent spearing of Skorpa of the Pale Horse and the death by axe of Leofric, which I may take some time to forget.
For those who didn't know, Netflix's is based on a historical novel series by Bernard Cornwell called The Saxon Stories, about 9th and 10th century Britain.
Unfortunately, Gisela dies in childbirth when Uhtred is off in battle and he returns to a living son but a dead wife.
During this time, Uhtred's attraction to was a factor that made her reconsider joining the church.