Barbatos

The Barbatos are one of the extinct Devil clans of the 72 Pillars, which holds the Rank of Duke in the High School DXD: A Broken Key world. Pseumonum Andras is that last known survivor of this clan. However, he effectively put this clan into extinction by marrying into the Andras clan.

Summary
The Barbatos clan is one of the many clans that fought during the Great War. During the Great War, a concealed Angel battalion got past the Devil's defensive line and subsequently destroyed the first Devil house they saw. The unfortunate house happened to be the Barbatos clan. Pseumonum Andras who was on the front lines at the time was the only one of the clan to survive from the massacre.

After being notified of the destruction of the clan, Pseumonum immediately set out in search for the Angel battalion and single handedly wiped it out. During the battle, Pseumonum used the clan trait to the utmost limit and briefly ascended to Super-Devil levels of power, cutting and mowing down the army of Angels in a matter of fifteen minutes.

Symbol
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Powers
Though it's name is lost to time, the "Power over Future" is a ability which allows it's user to do two primary things: receive information from the future, and send information to the future. Due to the nature of this ability, the Barbatos clan's trait was kept as a secret by the Four Great Satans at the time. Though they can only receive information from the future one second forward in time, this trait allows them to essentially see the future movements of the user's opponents. For sending information to the future, the average Barbatos clansman is able to send information seven and a half minutes in the future. One application of this ability would allow the user to "slash the future" of the immediate future: the sword's force is conserved in a specific place and is unleashed at a specific time, in the form of a powerful heat haze.

Members
In the past, the Barbatos clan had many members and despite their amazing clan trait, most of them preferred more secluded activities like gardening or something to do with the arts. Thus, many of them did not do battle. However, Pseumonum Andras was a rare member of the clan who enjoyed battle as a sport. This thirst for battle would be the one thing that saved him from a massacre as due to his job, he was not present during the Angel's flank.

Trivia

 * In demonology, Barbatos is a duke and earl of hell, said to be the one who gave understanding of animals, the past, and the future. He is depicted as an old man with a beard.