The term Valyrian has been popularized by the famous TV Show Game of Thrones. But in the vaping world it has been popularized by Uwell through their Valyrian Sub Ohm Tank.Uwell Valyrian Atomizer, has there types of pin compatible for different airflow and flavor. You can change the different types of pin to fit for different wattage. With flip top filling system, it is easy to be add the e-liquid. The 0.15ohm coil use quad coil with parallel leg wire, will bring you more stable and batter flavor.