" l2encdec -e 121 filename.utx " Saved as .bat file. "-e" is Encryption, "121" is Encryption Format,What is "l2encdec".
Actually l2encdec is an. Exe program, "-e" is to call this program encryption commands.
If you do not l2encdec.exe program, but you can use a l2encdec's command encrypt utx file,that's too amazing i think so.