Lucy did mention the White Witch in a conversation and Edmund realizes that the witch was none other than the `` Queen of Narnia '' , but the magic of the Turkish Delight was so strong that he decided to go to the castle for more . Lucy did mention the White Witch in a subsequent conversation and Edmund realized that the witch was none other than the `` Queen of Narnia '' , but the magic of the Turkish Delight was so strong that he was determined to go back to her for more .