User blog comment:B214/Question and Answers 3/@comment-25072311-20140701030845/@comment-16281343-20140701032931

@DxDlover Just correcting your terminologies

Extra Devils are those households that aren't part of the 72 pillars in the first place.

The Extinct Households are those that are well, extinct, and those that doesn't have any purebloods anymore.