The title probably didn’t fit, should be “You can manipulate the sequence of skills you get by reforging until you find the skill you want”
Normal save scumming doesn’t work because the abilities you can reforge on an equipment are pre-determined, so no matter how many time you restore your save and try, you will get the same sequence of results. One way to change the sequence is to reforge different slots every time you restore your backup, but that is not ideal because you might want to keep all your skills apart from one slot. The other way is available in NG+ and involves using divine fragments.
The process becomes like this: * Backup your save * Reforge the slot you want to change with all your divine fragments * Don’t like? Restore backup * Reforge ONCE with spirit iron chunk, then reforge with all divine fragments * Don’t like? Restore backup * Reforge TWICE with spirit iron chunk, then reforge with all divine fragments * Don’t like? Restore backup and repeat until you get the skill you want, each time increasing spirit iron chunks reforges by 1
In the video I did it the opposite way as it works both ways, but I usually prefer using divine fragments for reforging and spirit iron chunks for changing the skill sequence.