Spoilers what i heard on FB
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So fl was working for the king maybe? Apparently that king is not all good fl thought on previous life.she even put her life on stake for the empire but empire is on the bad side which our fl didn't know.But Khalid knew that so he killed the fl so that People wouldn't point fingers on her and if he didn't do that our fl would considered as villain. And she would be heart broken cz she did everything for empire not knowing that their king was the real (villain)?
Im really sorry i suck at explaining things -_-
SPOILERS
Khalid was a spy from the enemy kingdom. He happened to be a part of the FL's squad and fell in love with her. Khalid killed FL to protect the FL's "purity" and "innocence" ( which means he wanted her to die as a legend/ hero and not a traitor as her kingdom and the king used her to do bad stuff and he didnt want the FL to know that she did bad things) BUT the FL learnt the truth about her actions ( tho she doesn't remembers now). She wanted to talk about it with Khalid, however that mf killed her. Now, this guy goes to his kingdom and presents the king with the FL's head. That's how that bitch got his title and stuff. (they say that he got his title because of his achievements from the war in the early chapter.) MOREOVER THAT GUY STILL HAS THE FL'S PREV BODY CORPSE AND LEGIT PRAYED EVERY DAY FOR HER TO BE BORN AGAIN.
Spoilerish theory/rant.....
So if the grey haired commander is Khalid what’s his face that betrayed her, why is he on the cover picture????
(╯°Д °)╯╧╧He is a murderous scum villain NOT a potential second male lead. (╬ ̄皿 ̄)凸