Only one has a name and he is my favorite the Lord of all balrogs, General of Morgoth the high-captin of Angbad... Gothmog lord of balrogs is my favorite!!!!
I like the balrog who faced Gandalf, surprisingly. I've thought long and hard and taken many things into account. And the reason I choose this balrog is because HE HAS AN AWESOME FIRE WHIP AND SWORD.
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Sing my world into being, Ainur. The universe needs your power!