+100% Combat EXP
Period: 2017.05.02 Maintenance - 2017.05.08 12:00
Period: 2017.05.02 Maintenance - 2017.05.24 Maintenance
1st present Period: 2017.05.02 Maintenance - 2017.05.05 12:00
2nd present Period: 2017.05.05 17:00 - 2017.05.08 12:00
Just use the serial code.
1st code - BDJb 7TDh UJ5x
2nd code - BD95 xiD9 q6CS
Period: 2017.05.04 00:00 - 2017.06.07 Maintenance
Period: 2017.05.03 00:00 - 2017.05.17 Maintenance