Technically, she can be equipped with other weapons like most party members, including lightsabers if you turn her into a Jedi, but she's always most efficient with a blaster or two in hand. She's also got some deadly magic to back her up; in the sequel one of her spells is to simply boost the power of her gun's bullets. Reason being if we outlaw guns, only outlaws will have guns.
This presents a problem for law enforcement such as myself who would be stripped of their firearms as a result of a ban. Suifeng's Bankai is a shoulder-mounted missile-launcher.