Let go of the materials needed for Zhou Yu to buy orange cards in the three countries.

Red dress advanced stone, red dress essence. The game introduction of "Let Go of the Three Kingdoms" shows that the materials required for Zhou Yu's orange card are high-grade red stone and red essence, and the protagonist can open the orange department when he reaches level 75. "Let Go of the Three Kingdoms" is a card mobile game developed by Beijing Babel Times Technology Co., Ltd., which was officially released for public beta on September 14.