'House of the Dragon' Blood actor breaks down how the 'horrific' first episode was filmed. He says his character almost met an even grislier end.

• Sam C. Wilson played Blood in "House of the Dragon" season two.
• The British actor broke down how "horrific" ending to the first episode was filmed.
• He also revealed that his character's brutal death was almost even grislier

The actor who played Blood in "House of the Dragon" season two broke down how the gruesome first episode was filmed in an interview with Business Insider.