Theres water attrib dual swords,
Guild Knight Sabers
blue sharpness, 266 raw, 230 water attrib, they upgrade from holy sabers, which upgrade from order rapier which have 182 raw and 140 water attrib which can be bought from scratch with these materials:
Lightcrystal x4
Black pearl x5
Machalite ore x8
Small goldenfish x10
so if you have any of those materials, order rapier should appear