Original sentence: Asuna has a natural ability to cancel magic of any strength because of her pact with a demon.He succeeds and Asuna is brought back to life.Negi embarks on a perilous journey to somehow cancel this agreement.Upon forming this agreement with the demon, she is destined to die many years later
Edited sentence: Asuna is the young sister of Arika Anarchia Entheofushia.She has the same looks and smell as Nakane Springfield and has the natural ability to cancel magic, The anime Negima.shows Asuna making a pact with a demon and gaining the ability, but it's true origans are unknown