I would have to know the scentence srry
The Redness of the Blood.
The Darkest of Days.
The Bloody Death?
(IDK I ran out of ideas after darkest of days)
There are two defintions of Crepusclar:
1. Something that resembles or relates to twighlight.
2. An animal active or is appearing in twilight.
The solution of this question is (2,-1).