As she was in deep thought, the spirits were gossiping. It is not every day a new spirit is born. A new spirit will either mean they are to be bullied because of the spirit's deep background or they have fun bullying the new spirit to vent their frustrations.
All these were none of Ariel's business. What will happen will happen, and she does not mind beating up some spirits to warn the rest of the spirits that she is not an easy target.
After securing her Sky Citadel and gathering enough spirit essence, Ariel knew it was time to return to the human world. There was much work to be done, and her allies would be waiting for her. She had gained incredible power, but she needed to ensure that her forces were ready for the challenges ahead.