Fire Emblem Heroes is once again hosting a Bound Hero Battle and Summoning Event coinciding with each other for a single day. The Bound Hero Battle features Bartre and Fir, while the 5-star Summoning Focus features Bartre: Fearless Warrior, Fir: Sword Student, and Karla: Sword Vassal. As usual, the first summon for this event will not cost any orbs. This...