Probably. Paz-Inkla has the advantage in strength and stamina since Paz-Inkla can use the Phantasmal Zweihänder much longer than anyone else can. Xander has the advantage in speed and combat speed.
Paz-Inkla's Phantasmal Zweihänder can Probably break the Ankh shield however it can't break any creator's bladesmith weapons.
Paz-Inkla Probably would win but barely