We're all in the celebratory mood so on top of our birthday party which is being held in Minsk, Belarus, there will be plenty of celebrating going around in-game with Anniversary specials and events. To view the whole list, refer to the 15th Anniversary article.
One is which is this Tier X Special! Part #1 will be ending soon but the second part is already here and will be active until the end of the month. Check out what we have for you below now.
Event Start: 15 August, 2013 (Thursday) @ 13:30 - 14:00 UTC+8 (06:00 UTC)
Event End: 30 August, 2013 (Friday) @ 13:30 - 14:00 UTC+8 (06:00 UTC)