Why?

Aselia hurled the gun to the floor and fell to her knees once Xiran was gone. Her mission to help him escape had been accomplished, now she was ready for the consequences of betraying her organization. 

The black smoke was slowly dissipating as Aldridge commanded one of the hunters: "Seize her and take her to the interrogation room." The man's eyes glazed with shock and revulsion, seeing the actions of his top-class subordinate. He couldn't believe she would betray them like that. 

Two hunters caught her by the arms ready to lead her away when she rasped: "Yuri was not involved in anything, it was all me."