Just a note on that, if you ever have the time or desire to give Sacred 2 another chance, this guys guide is extremely helpful to get it running. I didn't do absolutely everything he listed, but much of the info he provides is extremely helpful; especially installing the Legacy PhysX driver:I'm getting the impression I missed out by not giving Sacred 2 more of a chance, but I suppose I'll never know.
I just started to do that yesterday, as that shared inventory that I thought was so huge became really limiting. I haven't done it by item type yet, but I have done it by character type, as you can see by my character names in the right column in the below image:made characters to store specific items:
I've looked at several mods over on the Nexus, mainly for expanding inventory size, and I'm following this one specifically: