Countdown is the third chapter of Book III in Fire Emblem Heroes.

The five parts of this chapter are The Scar Remembers, The Ominous Raven, Fangs of the Wolf Queen, Hawks and Herons, and Close to Death.

Part 1: The Scar Remembers

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.

You will have 4 units on your team. You will also have 4 opponents: Reyson, Leanne, an Emblian Sword Fighter, and an Emblian Blue Fafnir.

Part 2: The Ominous Raven

You will have 4 units on your team. You will also have 4 opponents: Naesala, Leanne, an Emblian Bow Fighter, and an Emblian Green Mage.

Part 3: Fangs of the Wolf Queen

You will have 4 units on your team. You will also have 4 opponents: Nailah, an Emblian Red Manakete, an Emblian Sword Cavalier, and an Emblian Green Mage.

Part 4: Hawks and Herons

You will have 4 units on your team. You will also have 4 opponents: Tibarn, Reyson, an Emblian Lance Knight, and an Emblian Cleric.

Part 5: Close to Death

You will have 4 units on your team. You will also have 3 opponents and one boss: Hel, Tibarn, Nailah, and Leanne.

Trivia

• The music playing in the four parts of this chapter is "A Test of Will" from Fire Emblem: Radiant Dawn.
• This chapter is notable for introducing Beast Units in Fire Emblem Heroes.