LogFAQs > #922108762

she never 'went mad', let alone suddenly. her character has been shown to very clearly be ruthless and love war crimes, make rash decisions (literally the entire show is her advisors convincing her not to do insane dumb things), and desire recovering her birthright (the iron throne) above all else. would she have preferred the westeros citizens love her and greet has as a liberator and cersei's head on a platter? sure! but they didn't. she sees herself as the rightful ruler, and if you don't love and want her to be the ruler she is going to take it anyway. its just the easy way. the stuff she did in essos was not out of the good in her heart (hence leaving), and a lot of the time she left places actually worse off than before she was there. she did it until she got an army to come to take the iron throne, thats it. the thing they could have used more time on was the feeling of alienation from the westerosi allies she has and jon snow as she loses her dragons and closest advisor, but she never 'went mad', she just stopped trying to win the throne through being beloved.