'It seems like Soren had been successful, but there were some side effects, as expected.' [Shingi]
Lucy looked back to her angel form, identical to how Avea looked, whom Shingi had met some time ago. But except for the number of pairs of wings, there were more differences between the two.
Firstly, Lucy's face still had some of the burn marks of her demonic form. However, they were more subtle than before, and with time,e they could vanish entirely, indicating that not a lot of time had passed since she returned to her Angelic form.
Another difference was that her feathers were black instead of white, probably because of leftovers of her corruption.