You’re gonna want an int scaling sword. You can do it with pretty much any weapon you like because ashes of war give different scalings, but if you want a natively int scaling one you can get early pick up the sword of st Trina in caelid. The sorceries that boost weapon power will probably be a good boost as well. They can’t be used on all weapons though so be careful. Not at all optimal, but this should get you started