How do you get the quest to defeat krokopatra in wizard101

You need to finish the main quests in Pyramid of the suns, Krokosphinx, than the Tomb of storms. In the tomb of storms The ghost of krokohotep Will give you the main quests in tomb of storms. After you kill the four princes you go to the throne of storms i think. Than you go defeat a couple of bosses and than you fight Krokopatra. After that you go to Marlybone.