User blog comment:Crimson and Darkness/Volume 24 discussion blog/@comment-2601:152:100:2320:B8B3:2126:3233:EE96-20171217194958/@comment-29963364-20171218101450

Other that his Demonic Power and [Divine Dividing],  Vali outright refuses to use any weapons in battle. So he definitely won't be getting any new weapons/items.