845a8e7d_ption___MuOnline_Pentium_Tools__Why_to_edit_
[File Location] \Data\Local\ [File Name] JewelOfHarmonyOption.bmd [Description] Configuration of option that are added with jewel of harmony [Why to edit?] 
Translation or configuation change(like price that needed to pay for level up) You need that server side JewelOfHarmonyOption.txt will be same(after editing you can export for server side file)
MuOnline Files Description - MuOnline Pentium Tools
Why to edit?