Fire Emblem Heroes - content update for Feb. 9th, 2017

[Arena] Special quests are now available for the Arena. If you manage to complete them, you will get some Hero Feathers (available until March 1st);
[Global] You can get 10 Dueling Crests as as a one-time log-in bonus (until March 13th)
[Global] As the RT campaign was successful, all players get 10 000 Hero Feathers as a special log-in bonus.