The answer is:
Tennyson’s version conveys Sir Bedivere’s extreme reluctance to get rid of the sword.
In the excerpt from "Morte d'Arthur," Alfred, Lord Tennyson directs attention to the conflict between King Arthur, who is dying, and Sir Bedivere, who does not throw away Excalibur as Arthur has ordered. In that respect, Sir Bedivere lies twice to Arthur because he possesses an overwhelming desire for the jeweled gold handle of the sword. As a result, he finally gets rid of Excalibur after Arthur's third command.
They have the same form but they're used differently. Intensive pronouns "intensify" the subject of a sentence <span>she herself didn't believe what she said" the pronoun "herself" is intensive, not reflexive. It simply just puts emphasis on "she". :)</span>