Note:（update）
(1). The Masters' Ranking List (about 14days) is made according to the number of graduated apprentices from 1st to 14th or form 15th to the end of the month EST (GMT-5). The top ten can obtain rewards.
(2). The weekly rankings will be automatically refreshed on 1st and 15th of each month.
The monthly rankings will be automatically refreshed on the 1st of each month.