Assassins Creed Save Editor (Black Flag) Tutorial - (NOT MY TOOL, SEE PINNED COMMENT)
https://www.nexusmods.com/
assassinscreedivblackflag/
mods/10?tab=files
I DID NOT MAKE THIS TOOL, I HAVE NO IDEA HOW IT WORKS OR HOW TO FIX ANY ISSUES YOU MIGHT HAVE! THIS VIDEO IS THE STEPS I TOOK TO GET MY SAVE WORKING.