Thorns of Ruin
Latent ability; active when two or fewer health bars remain.
Latent ability; active when only one health bars remain.
Staggering blow; innate.
Notable Black Beasts
- Zooming in on the Black Beast's battle model will show its Crest Stone beneath its forehead horn, with the text "Death" and "XIII" engraved on it.
- The design of the Black Beast bears a resemblance to Garon's Blight Dragon form in the Birthright campaign in Fire Emblem Fates.