How do you get the fire oil in wizards of Waverly place spellbound to unfreeze Harper?

To get the fire oil in "Wizards of Waverly Place: Spellbound," you need to complete a series of tasks in the game. First, you must find the fire oil by defeating the fire elementals in the Fire Realm. Once you collect the fire oil, you can use it to unfreeze Harper, allowing her to continue on her quest. Make sure to explore thoroughly and gather any necessary items along the way!