Shi Jia Salt Gang. According to the inquiry of hero biography, official website learned that in hero biography, the formula of tofu flower was obtained in Shijiayan Sect. Find the tofu stand and finish the task. After completion, give the obtained items to Sister-in-law of Tofu Flower to get the formula of Tofu Flower. Hero Legend Hero Legend is an open-world stand-alone game developed by Hero Studio and distributed by Box Game Agent. The game was officially released on 20 18, 18123 October.