// Don't dull artefacts.
            if (is_artefact(you.inv[i]))
                continue;
            // Don't dull weapons below -1/-1.
            if (you.inv[i].base_type == OBJ_WEAPONS
                && you.inv[i].plus <= -1 && you.inv[i].plus2 <= -1)

            // Don't dull artefacts at all, or weapons below -1/-1.
            if (you.inv[i].base_type == OBJ_WEAPONS)

                continue;

                if (is_artefact(you.inv[i]) || you.inv[i].plus <= -1
                    && you.inv[i].plus2 <= -1)
                {
                    continue;
                }

            // Don't dull ammo below -1.

            // Don't dull missiles below -1.

            // Dull the weapon/ammo.

            // Dull the weapon or missile(s).