As Viserys and Rhaenyra stood under the skull of the gigantic Balerion the Black Dread — the dragon both Aegon I and Viserys once rode — he explained to her that their ancestor had a dream ...

Viserys I TargaryenNickname: Viserys the Peaceful Dragon: Balerion Played by: Paddy Considine Viserys ruled during a time of relative peace. His death sparked the Dance of Dragons civil war ...

Valyria comes up in this week's episode during Viserys' chat with Laena, who asks what it was like to "ride the Black Dread," referring to Balerion, the dragon Aegon rode when he conquered Westeros.