Cast member Liam Cunningham arrives for the premiere of the fourth season of HBO series "Game of Thrones"
Cast member Liam Cunningham arrives for the premiere of the fourth season of HBO series "Game of Thrones" in New York March 18, 2014. Reuters/Lucas Jackson

“Game of Thrones” Season 5, episode 9 (“The Dance of Dragons”) delivered a shocking death that is not in any published book in George R.R. Martin’s “A Song of Ice and Fire” series. Developers Dan Weiss and David Benioff did imply, however, that Martin is thinking of the same plot development. On Twitter, the actress involved thanked fans

Spoiler alert: This update contains “Game of Thrones” Season 5 spoilers. Read on at your own risk.

Kerry Ingram on Tuesday thanked fans on Twitter for sending her warm messages after the airing of “Game of Thrones” Season 5, episode 9. Ingram played Shireen Baratheon in GOT for three years. Shireen is the daughter of Stannis Baratheon (Stephen Dillane), who refuses to quit his fight for the Iron Throne.

The Red Priestess Melisandre (Carice van Houten) told Stannis that he had to sacrifice royal blood – his own daughter’s – in order to secure his victory. Stannis initially refused, but he later changed his mind. Stannis also made sure Ser Davos (Liam Cunningham) would not be around to protect Shireen.

In “Game of Thrones” Season 5, episode 9, Shireen dies on a blazing stake, a fate from which Jon Snow (Kit Harington) saved Mance Rayder, the King Beyond the Wall (Ciarán Hinds). Shireen dies screaming for help. Her mother and father watch her die, with only one of them flinching in the end.

Selyse Baratheon (Tara Fitzgerald) realises too late that she does not support Melisandre’s blood offering. Stannis, in contrast, lets her daughter die despite dismissing the idea in the beginning.

On Twitter, Ingram said she had “a wonderful journey” filming “Game of Thrones” for three years. She used the hashtag #ripShireen and a heart emoji to complete her message. (See her tweet below.)

In sending off his clueless daughter to the stake, Stannis tells Shireen she could help him fulfill his destiny. Shireen insists that she would like to help, but Stannis refuses to tell her that she has to die.

“When [George R.R. Martin] first told us about this, it is one of those moments where I remember looking at Dan. I was just like, ‘God, it’s so horrible, and (yet it is) so good in the story because it all comes together,” Weiss said in a promotional “Game of Thrones” video titled, “Inside Episode 9.”

It remains to be seen whether Shireen also dies in “Winds of Winter,” the sixth ASOIAF book that Martin is still currently working on. Some fans are already taking Shireen’s death in the HBO adaptation as a book spoiler.

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