Which best describes the effect of the expression “woe’s me”?
it heightens the sense of loss in the poem.
it creates an artificially dramatic tone.
it injects excitement into the work.
it gives us a sense of the speaker’s character.

The best description of the effect of the expression "Woe's me" is that It heightens the sense of loss in the poem.

Explanation:

The expression Woe's me is used to feel sorry for one's self in the line "Woe's me, I shall be lonely / When I can feel no longer /The impatience of their wings! this word emphasizes the feeling of loneliness and loss of the person, as it gives a darker and painful mood to the message, this is sometimes considered too much since it is often used when the conflict is not that big.

misty passage from the question