This change could be done by different way. Also this way may psitive effects for dying trade.
Combine all 4 char stones+2 other weapon stones to create resistance breaker stone.
At +6 this stone will reduce resistance to sword, two hand, dagger etc. 25%
Some bosses will drop new item to add new stone socket.
You will have 35% chance to open new socket.
Add resistance breaker stone to weapon....