Regina grew up in the Enchanted Forest as a royal. Her mother, Korra, was an ambitious and cruel woman who wanted to make her daughter queen. However, Regina dreamed of a simple life, away from the intrigue. Everything changed when her mother killed Regina's lover, the stable boy Daniel, to prevent them from escaping. This tragedy marked the beginning of Regina's transformation into the Evil Queen. Under the influence of her mother and Rumplestiltskin, she mastered magic to gain power and take revenge on Snow White, who, albeit unwittingly, contributed to Daniel's death.
Evil Queen:
As the Evil Queen, Regina wreaked havoc and destruction throughout the Enchanted Forest. Her ultimate goal is to destroy Snow White and seize absolute power. In an attempt to get revenge, she used the Dark Curse to transport the inhabitants of the Enchanted Forest to the real world and trap them in the town of Storybrooke, stripping them of their memories and magic.
Life in Storybrooke:
In the real world, Regina became the mayor of Storybrooke, where she controlled the inhabitants and their destinies. Her adopted son Henry became her greatest weakness. However, his love and desire to uncover the truth about the curse became the catalyst for change in Regina. She encountered Henry's mother, Emma Swan, who came to the town to break the curse.
Redemption:
After the curse was broken, Regina began her journey to redemption. She repeatedly sacrificed herself for her son and the other inhabitants. She gradually became part of the team of heroes, despite her dark past. Her struggle with her own darkness and desire to become a better person made her one of the most complex and beloved characters in the audience.
Relationships:
Henry Mills: Adopted son, her main source of inspiration for change.
Emma Swan: They go from enemies to allies to close friends.
Korra and Rumplestiltskin: The people who shaped her dark side, but also taught her strength.