I found a program that helps in editing some types of files, not all files, but the way to edit them is very tight. This is the best thing. If someone wants to use it,
I will leave the link for you to download it.
The type of files you edit are:
(Skillgrp.dat ,,, SkillName-e.dat ,,, SkillSoundgrp.dat)
https://mega.nz/file/b4Fw3ZTJ#XS15ELgRHcEGfnrXLdEeSQahWGB81FTiTU2RYTE0_d4