Aegon I mounted Balerion the Black Dread during the Targaryen Conquest of Westeros, and afterward, and Daenerys Targaryen rode Drogon when she came for the Iron Throne.

Despite the character’s tragic end in the lore, House of the Dragon ... Viserys selected his dragon, Balerion, the same year he married Aemma, but the Black Dread died the following year.

House Of The Dragon’s second ... bond with and mount the great bronze dragon Vermithor. Vermithor is the third largest dragon in Westeros, behind Balerion (the largest, but also dead) and ...