Isabella Lucas

Isabella Lucas is one main antagonist in Freezing, and later the secondary antagonist at Buster Arc, along with her colleagues Petty Layner and Jessica Edwin.

Background
Isabella was a Chevalier member and a poweful colleague, she was very insane. And when she was 23, she became a nurse and killed thirteen children without hesitation, so she later joined Chevalier to cover up her killings. However her secret was discovered by the organization and she was sentenced to five hundred hard work but she managed to escape and became a teacher in Mexico.

13th Nova Clash Arc
Isabela is alert to the power of the newcomer, but she ignores this fact and opens fire on the news, but her attacks are blocked by a protective barrier of strength that protects Cassandra and her back. And when one of her attacks is absorbed by one of the Nova, and causing Isabella to fall to her knees, and she tries to convince them to become one of them, fearing for her life and fleeing the battlefield, and leaving her teammate back. Isabela reached the sea miles from a city before being found by Radox, who now controls the Chevalier, who told Isabela that she will be useful to him.

Exit Reverant Arc
Afterwards, Isabella is later seen giving scientist valuable experimental data on the performance of plasma stigmas. She then reinstates as First Lieutenant in the Chevalier Forces and she was assigned to lead a squad of Plasma Suit users to attack West Genetics. She now updated thinks her victory is 50%, but she claims that her next battle is worth the risk, to kill Gengo Aoi.