User blog comment:B214/Question and Answers/@comment-213.106.131.123-20131106150312/@comment-1359322-20131108095240

It's not coming to an end anytime soon, Pure-blooded Devils only have low birth rate, not zero birth rate, and there are still many Pure-blooded Devils, at least several hundred thousands more. The one that is really rare is the Pure Angels, since they can't produce any more Pure Angels after God died.