Balerion the Black Dread is widely regarded as the most powerful dragon in the history of Westeros. While Drogon, one of Daenerys Targaryen's dragons, may have been impressive, he pales in comparison to Balerion's incredible feats. Some even speculate that Drogon could be a reincarnation of Balerion.
As House of the Dragon prepares to showcase the dragons of Westeros in the prequel series, viewers will have the opportunity to witness Balerion's devastating deeds firsthand.
Dragons have always been central to House Targaryen, and Balerion stands as the mightiest of them all. From the time of Aegon the Conqueror to Daenerys's dragons, Balerion's power and mythic reputation endure. While Drogon may have captivated audiences, Balerion's legendary status remains unparalleled in the expansive history of Westeros.