

Magister and the other members then engaged the Valkyries and Demon Lords in the battle as she fought with the Oracle and Demon Lords while Illumina, Olvi and Zeinforce battled the other Valkyries and the Demon Generals.

She then told Ortho and Rambha that they have outlived their usefulness and no longer needed them.

The group later show up in Zelzal's domain right after Crimson Eyes revealed the truth about Calamity's curse to Zelzal and Magister then revealed that she was the one who placed the curse on Calamity due to her fear of the Demon Lords' combined strength that would unified the Demon Realm. Upon learning of the members' failures of defeating the Demon Lords, Magister decided to personally lead the other members to attack the Demon Lords once and for all. They later captured Ortho as she and her friend Elena were exploring the Demon Realm and brainwashed her to become their servant.

Not much was known of Taboo's origin of where they were from, though it was revealed that they were from the Hidden Lands which were located between the Terrestrial Realm and the Demon Realm as they
