The final trailer for House of the Dragon's season 3 reveals a grim outlook for Westeros, with Rhaenyra Targaryen ready for violent conflict. | Web Series

"House of the Dragon," the "Game of Thrones" prequel series starring Emma D'Arcy and Matt Smith, returns for a third season on HBO in June.

On her quest for the Iron Throne, Rhaenyra Targaryen discovers that mercy has no place in wartime, not even for blood.

The HBO series returns June 21.

The crown is a weight that crushes. You'll do things that spell death for all involved."

The final trailer for House of the Dragon's season 3 reveals a grim outlook for Westeros, with Rhaenyra Targaryen ready for violent conflict. | Web Series

'Mutually assured destruction' is a fact of life when you bring a bunch of dragons to the battlefield.