Before he passed, the death of Ser Arthur Dayne stood as one of his darkest moments. Game of Thrones has a massive ensemble cast, but the show almost never puts an ill-fitting performer in a role.

Legends like Ser Arthur Dayne, known as the Sword of the Morning, and Ser Aemon Targaryen, the Dragonknight, are celebrated for their unparalleled prowess and chivalry. In the Game of Thrones era ...