Gandalf Vs. The Witch King

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Originally Posted by The Saucepan Man

Tricky subject this though, as the extent of Gandalf the White's powers is not entirely clear from the book, by virtue of the restriction placed upon him as one of the Istari. He only uses his powers "offensively" in times of utmost need. While his true nature and limitations as one of the Istari are not addressed in the films, this will have had an effect on his film portrayal.

Agreed. My opinion from reading the books is that Gandalf was permitted to use his powers only when needed to 'level the playing field,' and when in doing so he did not usurp another's chance to 'shine.' When Sauron and company start cheating at 'the game,' Gandalf jumps in. He can never force anyone to take action, but is permitted to persuade. Gandalf inspires hope and dispels fear so that characters can act as they'd want to. I've posted examples regarding this previously in this thread.

And I agree with Essex that the book leaves open the question of who would have prevailed in a confrontation between him and the Witch-king at the time of the attack on Minas Tirith.

As we have no data regarding the outcome, it then comes down to opinion. I leave you and Essex to your follies...