There are many different types of champions in League of Legends, but the Karthus skin is one of the most popular and well-known. This skin is a dark green and black skin that has a sleek design. It is perfect for champions who want to stand out from the rest. The best way to get this skin is to purchase it from Riot Games or other online retailers. There are many different colors and styles available, so it will be perfect for any champion.