Siryn is a student at Xavier’s School for Gifted Youngsters. When William Stryker’s troops invaded the mansion, she, like her father Banshee, used her mutant ability to produce a powerful sonic scream from her vocal cords. Her scream can overwhelm listeners with deafening noise and disorient them to the point of rendering them unconscious. Though not displayed, it is believed that she can hover or fly at the speed of sound when directing these forces against various surfaces. Siryn continued her training at the school under headmistress Professor Ororo Munroe after dealing with Professor Xavier’s death and the after-effects of the Alcatraz attack.