Vahl's Lightsabers are a Jedi/Sith weapon that made Vahl a Jedi (Or a Sith).
As of now, Vahl/Jordan don't use them anymore because of them being too 'OP'
In the Jedi Academy series, Vahl is featured as a "Sith Lord" type of character. Lightsabers then became her main weapon. The after-math of it made Vahl so sassy that he turned into a girl jedi