How to upgrade the Perfect International New District quickly?

Open 12 times, monsters can quickly rise to 70+, and then go to 7 1-85, 86+ monsters covering Frost City, SJ, stones and villas. When the level is low, you can do solar terms tasks, pay more attention to official activities, and many 30+ can do it, which is very rewarding for experience, especially for answering questions. After all, it is a new field. I won't tell you if it's not too big, just like a pool of blood. If the level is high, you can go to the monsters in Figure 3, but it is likely to be malicious PK, with more wolves and less meat.