Considering the possibility, Seraphine thought the chance she had entered was high, but she didn't understand why she had done it.
The only reason that even she forgot about Seraphine was because she raised the intensity of her ability. Otherwise, this would not have happened.
(ps. Cough, this is really the reason, not that the author forgot about her xD)
Solomon just wanted to answer when suddenly an explosion was heard from the top of the spire.
"Dammit! Did your people attack Alex's subordinate?" Isolde complained with anger.
Solomon frowned, exchanging some messages with his subordinates through the implanted brain chip.
"I am sorry, I didn't know Alex had a high goblin under him."
"Hmph!" Isolde snorted, then turned her gaze to William, "You are the one that opened the portal, right?"