WARNING: The following article contains spoilers from episode three of Game of Thrones season seven.
The episode, entitled The Queen's Justice, ended in a famously dramatic way as fans saw Jamie Lannister (played by Nikolaj Coster-Waldau) outsmart his brother Tyrion (Peter Dinklage) who had sent the Unsullied army to take Casterly Rock.
The Kingslayer preempted his sibling's decision and instead used the opportunity to attack House Tyrell’s Highgarden to defeat the loyalists and imminent threat on King’s Landing.
And, in a surprising twist, Jamie found Lady Olenna Tyrell and had one final gift for her.
Game of Thrones season 7: Jamie Lannister outsmarted his brother and took out the Tyrells
The Lannister boasted he was going to give her an easy death despite's Cersei's (Lean Headey) reluctance and poured poison into the wise woman's wine.
However, Lady Olenna ensured she had the last word and shot back with a shocking revelation as she knocked back the fatal fluid.
She began: “I hate to die like your son, clawing at my neck, eyes blood red, skin purple…"
As the only surviving member of House Tyrell spoke about the deadly drink, she admitted she killed his son, Joffrey.
Game of Thrones season 7: Lady Olenna Tyrell ensured she had the last word
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“Tell Cersei I want her to know it was me," she added.
The thrilling scene sent fans wild as they expressed their pride at Lady Olenna for getting the ultimate revenge on the Lannisters.
One viewer wrote on Twitter: “Olenna had one of the all-time great TV death scenes. Went out the way she lived: roasting everyone she came into contact with.”
“Olenna was the fiercest and feistiest of them all. I will miss her. Bloodbath upon bloodbath,” praised another.
Game of Thrones season 7: Lady Olenna Tyrell had the upper hand until the very end
“Savage, Lady Olenna, SAVAGE. #GameOfThrones,” wrote one person Twitter, while another added: “Take a bow Lady Olenna #GameOfThones7.”
Earlier in the episode, Cersei had got her own revenge on Ellaria (Indira Varma) who had previously killed her daughter Myrcella by kissing her with poison.
The Queen of the Seven Kingdoms of Westeros certainly appeared to be a fan of the saying an eye for an eye as Cersei then kissed Ellaria’s daughter daughter Tyene (Rosabell Laurenti Sellers) with exactly the same poison.
Game of Thrones continues on HBO this Sunday in the US and will be simulcast on Sky Atlantic on Monday at 2am. Catch up on seasons one to seven on NOW TV.