This mod boosts the accuracy of bows by quite a bit, I always felt bows' accuracy were kinda low especially at the start so I decided to take a hack at changing it.
Tools used 
FF4kster 
Credit:Pinkpuff for making FF4kster a thing
how to patch:
you need an unheadered Final Fantasy II (USA) Super Nintendo V1.1 ROM don't ask me where to get one please go find it yourself.
If you want to support my work I'll do in the future (not required however) you can donate to my cause at https://streamelements.com/gokublack9974/tips.com