Timeframe: [All Servers] Aug 15th 0:00a.m. - Aug 19th 11:59 p.m. (Server Time)
Collect taxes 2 times, 5 times, 9times, 14 times, 20 times, 27 times and 35 times to win a corresponding numberof rewards. The rewards can be Silver, Battle Points, Progress Token and Prestige.
Free grain: collect tax have a chance to get the same nubmer of Grain.
More battle points: 20% more battle points between 11:00-14:00 every day.