@I SIMP FOR FL'S DADDIES this is def too late of a reply but just in case u still wanted to know...
Spoiler!
He was poisoned by some random noble. His dad hid that fact from the public bc he thought it was "embarassing" that someone as powerful as Levenoad could have been murdered by someone so insignificant. So it was essentially to save face. Idk if this is 100% right cause its been so long since I read it but I believe that Levenoad's corpse is still chilling in a secret place in the palace.
Spoiler!
if u see me reading the most obscene bl... no u didn't <3