Smaug vs. Durin's Bane: Who Would Win in the Ultimate Dragon/Balrog Showdown?

Glaurung, Dragons

Glaurung, Ancalagon, & the Dragons of The Silmarillion

The Lord Of The Rings and Game Of Thrones Dragon size and comparison in 2023

dragons - What does Tolkien say about Ancalagon's physical appearance, especially his size? - Science Fiction & Fantasy Stack Exchange

Who is more powerful, Glaurung or Smaug? - Quora

Literature / Our Dragons Are Different - TV Tropes

Smaug is nothing compared to the other dragons, especially the ones from The Great Prison of Angband

Ancalagon - Tolkien Gateway

Who would win? Smaug or danys dragon 10 years old : r/gameofthrones

Isengard - Balrog vs Dragon: I have given that some thoughts. At the beginning I asumed that they would be quite equal, but I found a threat in a Tolkien forum where