Though is quite self explanatory, you don't really need to to be Christian, religious or even knowledgeable about the intricacy of the Bible. You basically only need to watch any apocalyptic movies and/or TV series :) The Four Horsemen of the Apocalypse.
It's a canonical imagery, and I always thought that the end of Days would be eventually personified by women. Hence this.
It is a big piece, measuring 56 x 75 cm, black fountain pen, Muji pen and Sharpie marker on whitish sturdy pastel paper.