In "The Reckoning" by Kelley Armstrong, the story explores the unpredictable nature of children as they engage with dark and mysterious powers. The narrative suggests that their innocent curiosity can sometimes lead them to dabble in forces that are beyond their understanding. This theme reflects the idea of childhood as a time of exploration, where boundaries are often tested, sometimes leading to unforeseen consequences.

The quote, "You know children, always playing with the forces of darkness," captures this essence well, highlighting the whimsical yet dangerous allure that such powers hold for the young. It serves as a reminder of the delicate balance between innocent exploration and the potential perils that follow, emphasizing the need for guidance and protection as they navigate their adventures.