Omnicidal Witch is the tenth chapter of Book III of Fire Emblem Heroes.
The five parts of this chapter are Truth of Her Name, Maiden and Devotee, Inside Embla, The Reaper Cometh, and Temple of Blood.
Part 1: Truth of Her Name
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: Maiden and Devotee
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 4 opponents and one boss: Thrasir, Petra, Mercedes, Hilda, and an Emblian Sword Fighter. Enemy reinforcements will appear after at least one of the enemies is defeated.