S2 E7 Evanesce into the Dark

While investigating the disappearance of Kaybahl Kafuddle, the group learned that Kibo Freedompeak has called Alezantalis Everwinter to come to the city of Rayburn Falls to take over as the Principal of the Rayburn Magical Academy. As the team does research, and unveils information on some magical gear, they decide to take Viviane into their care, in order to protect her. Why was the adopted daughter of the councilor spared? Just who or what is making people in the city disappear?