Strengthen the main card. According to the query on Niubai Software Network, as a strategy tower defense game, having more and stronger weapons (cards) is one of the keys to success. In "Food Wars Mouse Shell Edition", in addition to relying on level prizes to collect cards, you also need to rely on the synthesis house to synthesize materials. In addition, the synthesis house can also help you strengthen and transfer cards, and cultivate elf rats. It can be said to be an incubator for the strongest king.