To accompany the start of Bound Hero Battle: Elincia & Nephenee, starting on January 27th, 2019 at 2:00am Elincia: Lost Princess, Nephenee: Fierce Halberdier, and Ike: Brave Mercenary, will be part of a 5★ summoning focus.
Also in the Bound Hero Battle, from Fire Emblem: Path of Radiance, Elincia: Lost Princess and Nephenee: Fierce Halberdier are waiting in Special Maps.
