Blue Chromatic Rose

While holding the rose by its stem, you gain resistance to lightning damage. If you would take more than 10 lightning damage from a single source (after applying the resistance), the rose disintegrates and you take no damage instead. As an action, you can blow the petals from the rose to produce a 20 ft. cone of lightning. Each creature in the cone must make a DC 15 Constitution saving throw, taking 3d10 lightning damage on a failed save, or half as much damage on a successful one. Using this property des