Expecto Patronum

"Expecto Patronum" is a spell from the Harry Potter series used to summon a Patronus, a magical protector. A Patronus is a tangible, positive energy that acts as a shield against dark creatures like Dementors. Casting it requires focusing on a powerful, happy memory, which generates a glowing, often animal-shaped guardian. It represents hope and mental strength, helping wizards and witches ward off negativity or danger. The spell emphasizes the importance of inner positivity and emotional resilience in overcoming dark forces through focused intent and mental discipline.