Question

is "wings of fire" metaphor?

Answer 1

The comparison of one thing to another without the use of like or as is called a metaphor. Example- “A man is but a weak reed”; . This sentence does not include the use of like or as so it is a metaphor. 

"wings of fire" is a metaphor. 

Answer 2

     comparison of one thing to another is called metaphor 

so its a metaphor