Bisugott
Great idea!
It can be so depressing to finally gather the materials for new shiny stuff only for the action to be a partial failure...
Alternatively this could be a +5% for masters of that specific item craft and maybe +7 or so for Spirits of Creation.
Additionally, it has been pointed out many times that Scrolls could (mixed data) negatively impact success rates.. Maybe fix that too?
I wasn't aware of that my fair guildie.
---