Ring wraiths vs. Balrogs

[Orome]

No, none of the Balrogs were as powerful as Sauron. Not even Gothmog. Sorry.

How can you say this? Tolkien never gives a hierarchy of the power of the Maiar.

This is an interesting question, because they are never directly compared, and even indirectly there is little comparison.

while the One Ring is still around it is possible to destroy a nazgul, as evidenced by the killing of Angmar by Merry and Eowyn. I tend to favor the balrog, because it is a creature of fire, and the Nazgul feared fire, so the balrog should be able to single them out for one v. one fighting.