This was an event focused on promoting the Arena.
Special Arena Quests[ | ]
Active: February 9, 2017 7:00 AM to March 1, 2017 at 6:59 AM UTC.
During the promotion period, special Arena Quests were active, in which you could earn a total of 6.000 Hero Feathers 
and 30 Dueling Crests 
.
Bonus Dueling Crests[ | ]
Active: February 9, 2017 7:00 AM to March 13, 2017 at 6:59 AM UTC.
During the promotion period, a special one-time log-in bonus of 10 Dueling Crests was made available.