Originally Posted by Boromir88

But the Dead King has no body, so he could not literally inflict damage on him (as in punch, stab, or kill).


No, hte WK, is not above fear, but why would the Witch-King be afraid of the very fear that he uses and the rest of the Nazgul:

I would call the Dead Army's fear, a 'ghost-like' fear, and the way the Corsairs were sent into a maddening jump to their death. So, why would the WK fear the very fear that he inspires? Or vice versa?