What Is a Balrog, THE RINGS OF POWER Dark Creature of Fire?

Balrogs are ancient demons that slumber through the Second Age according to Tolkien lore. What role will they play in The Rings of Power?

Nick Keller - The Rings of Power - Durin's Bane Concept Art

Lore Details About Balrogs That The 'Lord Of The Rings' Don't Tell You

Nick Keller - The Rings of Power - Durin's Bane Concept Art

Balrog - Durin's Bane by JSochart on DeviantArt

What Is a Balrog, THE RINGS OF POWER Dark Creature of Fire?

Lord of the Rings: The Balrog's Origin Explained (& Why It's In Moria)

Balrogs, The One Wiki to Rule Them All

Were Tolkien's balrogs, especially Gothmog, made partiality out of fire? - Quora

Balrogs were the Valaraukar (Quenya; vala power + rauko monster), spirits of the Maiar that were seduced and corrupted …

Balrogs - Tolkien Gateway