How does episode 9 of 'House of the Dragon' compare to the episode 9s of 'Game of Thrones'?

Say the words "episode 9" to a Game of Thrones fan and you'll likely get a worried reaction.

For years, the number nine was either a harbinger of major character deaths or of epic battles (which often included major character deaths). The ninth episode of Game of Thrones seasons brought us such hits as Ned Stark's execution,...