She tells Uhtred that she will be with him from now until the very end.
The Last Kingdom has now been renewed for a fifth season and fans are still disappointed they will not be seeing Iseult any more.
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Uhtred tells Iseult that should he fall, he wants her and Hild to take his horse and ride clear of the battlefield.
Iseult also had knowledge of healing methods and she helped King Alfred David Dawson recover from his illness.