How many star weapons are raven swords in SHEN WOO's treasure house?

Five-star weapon. Raven Sword, a treasure house in SHEN WOO, has extraordinary strength and tenacious will. It can effectively resist all kinds of dark forces for users and accurately play the most powerful role. It also has the legendary legend of the ancient civilization with magical power, and its beautiful appearance makes it a legendary five-star weapon. The raven sword's ability made it the guardian of the ancient dark ages. It can be said that its existence is a symbol, and only people with strong strength and tenacious will can get its recognition.