OK. So I was thinking of weapons you can not unbind, which would be explained below (in same text) this item cannot be traded.
All boss weapons and upgrades of those weapons, I think. If you have more ideas for non-unbindable weapons, please comment. All curse weapons, probably.
I hope you like the idea, comments are appreciated as long as they are polite and consist of no swearing.
Thanks!
Trymal
Explain. Why?
Also, this wouldn't prevent trading. People just wouldn't equip (bind) them in the first place.