There were epic scenes and epic battles, but some of the character development was rushed. Danerys went from heroic to evil practically overnight.
It was foreshadowed extensively throughout the series.
The mad king parallels have been there from the beginning
She ordered her brother killed by pouring molten gold on his head. Because he was a dick.
She crucified dozens of traders and Slave owners.
She scorched samwells father and brother when they refused to surrender.
She said she would burn cities to the ground.
She was heroic and a bloody murderer.