Echoes of Mystery (新たなる紋章の世界, Aratanaru Monshō no Sekai lit. The New World of the Emblem) is the seventh paralogue of Fire Emblem Heroes.
The names of the three parts of this chapter are Wayward One (迷える軍師, Mayoeru Gunshi lit. Lost Military Advisor), Led by the Nose (包囲網, Hōimō lit. Encirclement Network), and Three Assassins (暗殺者, Ansatsusha lit. The Assassin.
Part 1: Wayward One
Subjective: The following part of this article is based upon the editor's personal experiences and opinions, and therefore may not be applicable for all readers.
Part 2: Led by the Nose
Part 3: Three Assassins
You will have 4 units on your team. You will also have 3 opponents and one boss: Katarina, Legion, Clarisse, and Athena.