Final Fantasy Hacktics

Dark knight class appearance look stupid so i like to change it very much. But I can't find a way to change it formation & world portrait so sad T T, I already change its sprite in battle. anybody know how? Please enlight me 
this is a patch file i edit as i like if anybody have free time to try don't mind to try it, and left comment on how good or bad so i can improve it laterFFT patch Bell.fftpatch