World of Holy War (聖戦の世界, Seisen no Sekai) is the thirteenth paralogue of Fire Emblem Heroes.
The names of the three parts of this paralogue are Baldr’s Holy Knight (バルドの聖騎士, Barudo no Seikishi lit. The Paladin of Baldr), Od’s Swordswoman (オードの剣姫, Ōdo no Kenki lit. The Sword Princess of Odr) and Bound By Blood (いにしえの血, Inishie no Chi lit. Ancient Blood).
Part 1: Baldr's Holy Knight
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: Od's Swordswoman
Part 3: Bound by Blood
You will have 4 units on your team. You will also have 4 bosses: Sigurd, Deirdre, Tailtiu, and Ayra.
- The music playing in this paralogue is "Prologue (Birth of the Holy Knight)" from Fire Emblem: Genealogy of the Holy War.
- In the Lunatic difficulty, the Emblian Axe Cavalier in "Baldr's Holy Knight" has a Brave Axe and Vantage, mirroring Lex's personal weapon and base skills from Genealogy of the Holy War
- The layout of each part resembles chapters in previous games: