How did Tom discover he is Freya's son in the beast quest?

In the "Beast Quest" series, Tom learns he is Freya's son during a pivotal moment when he uncovers a family secret. It is revealed to him through a conversation with his mentor, who shares insights about his lineage and Freya's true identity. This revelation adds depth to Tom's character and motivates him to embrace his destiny as a hero. The discovery also strengthens his connection to the magical world and his quest to save it.