In Game of Thrones S08E04 The Last of the Starks, Euron
captures Missandei and brings her to Cersei in chains.
When Dany agrees to a parlay with Cersei, she demands Dany's surrender in exchange for
Upon refusal, she decides to
execute Missandei and asks for her final words.
Missandei says "Dracarys". Dany has uttered it many times and I am assuming it means "Breath Fire".
But why did she choose this word. It's a word that means something to Dany but as far as I can tell, no meaning to Missandei or the life she had lead.
What was the meaning of Dracarys as relating to Missandei and why did she choose it?