The server will be shut down for maintenance at 02:00 on June 21th, Pacific Standard Time (PST). You will not be able to log in to the game at that time. This maintenance is expected to last for 30 minutes. Any interruption of the game during this period, will be refunded by the corresponding admission fee or ticket. Thanks for your understanding
Update contents:
1. The limited-time mode "Strategy Mode" is replaced by "Fast Mode"