Experiments proved that Sanders's guess was completely correct.
There is a connection between infection time and live wire removal; the longer the infection time, the higher the role's alignment, making wire removal more difficult.
Yva's sister took Sanders forty minutes to extract the live wire, but for the dancer, it's been two hours and still no progress.
However, with the continuous supply of Nightmare Realm aura, the frequency of "confusion" in the dancer's eyes is increasing, suggesting that the dancer's condition is improving, though it might take longer for her to completely free herself from the live wire like Old Hanmu and Yva's sister.
Releasing Mare Stone's Nightmare Realm aura doesn't require Sanders's personal effort. He released a Magic Puppet shaped like a Magic Falcon from the Gravity Garden, controlled by a thread of spiritual power to release the Nightmare Realm aura, while he followed everyone to the hall.