Iris's Tome is an green tome and a weapon skill exclusive to Nino in Fire Emblem Heroes. It functions as an enhanced Blade tome, sans the cooldown penalty, granting the total bonuses on its wielder to damage dealt. It has the additional refinement effect of Even Attack Wave 3.
Adds total bonuses on unit to damage dealt.
In Greek mythology, Iris (Ἶρις) is the personification of the rainbow, and she also serves as the messenger to the gods of Mt. Olympus.
- The tome is also named after Nino's late mother.