Omnicidal Witch

Omnicidal Witch is the tenth chapter of Book 3 of Fire Emblem Heroes.

Part 1: Truth of Her Name
You will have 4 units on your team. You will also have 5 opponents: Thrasir, Petra, an Emblian Sword Fighter, an Emblian Axe Knight, and an Emblian Bow Flier.

Part 2: Maiden and Devotee
You will have 4 units on your team. You will also have 5 opponents: Hilda, Mercedes, an Emblian Red Mage, an Emblian Lance Cavalier, and an Emblian Red Fafnir.

Part 3: Inside Embla
You will have 4 units on your team. You will also have 5 opponents: Hubert, Petra, an Emblian Red Manakete, an Emblian Axe Fighter, and an Emblian Green Flier.

Part 4: The Reaper Cometh
You will have 4 units on your team. You will also have 5 opponents: Death Knight, an Emblian Sword Cavalier, an Emblian Blue Cavalier, an Emblian Green Manakete, and an Emblian Thief.

Part 5: Temple of Blood
You will have 4 units on your team. You will also have 6 opponents and one boss: Thrasir, Hubert, Petra, Mercedes, Hilda, Death Knight, and an Emblian Axe Fighter. Enemy reinforcements will appear after at least one of the enemies is defeated.

Trivia

 * The music playing in the four parts of this chapter is "Tearing Through Heaven" from Fire Emblem: Three Houses.