User blog comment:Lord Loss/Discussion of the Week: Greatswords/@comment-3062343-20120414092421/@comment-3062343-20120414115113

Yeah, the KAS does go up from blue to purple. I know the Black Diablos Lance also goes from blue to purple with Sharpness +1 (as does the Uragaan Hammer). I think the Viking Hornsword (Low-Rank Ceadeus GS) also went up 2 sharpness levels with S+1 in Tri (from green to white).