Fire Emblem Update has updated with a new kind of special map called the “Bound Hero Battle” and it features Heroes from Fire Emblem Echoes.
Fire Emblem Heroes is available on iPhone and Android.
As for the new Summoning Focus: Alm & Celica Bound Hero Battle, it gives players a higher chance of getting Genny: Endearing Ally, Lukas: Sharp Soldier, and Clair: Highborn Flier.