Question

Who confesses to putting an end to Joffrey's reign shortly before her own end?

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Answer 1

Answer:

Hey there! Olenna confesses, hope this helps!

Explanation:

Answer 2

Answer:

"Olenna Tyrell" confesses to putting an "end to Joffrey’s reign" shortly before her own end.

Explanation:

She conspired along with “Littlefinger” Petyr Baelish to poison Joffery Baratheon at his own wedding. Olenna was Margaery’s grandmother who was supposed to marry Joffery. Later, Olenna confesses to Margaery that it was she who put an end to Joffery as she never wanted her granddaughter to marry someone like Joffery considering his monster like nature. She also adds that Baelish helped her and the poison was provided by Dontos Hollard.