Not much is known about his appearance as of yet. In the manga, Lord Phenex is depicted to have blond hair much like his sons with it being spiky in the back.
Lord Phenex is shown to be very polite. He has also been shown to be a wise father, feeling pleased that Riser lost to Issei as it had taught Riser a lesson on the fact that the Phenex's ability isn't absolute. He is also very humble in comparison as he stated that Issei has his thanks for defeating his son.
Not much is known about Lord Phenex, other than at some point before the start of the series, he met Lady Phenex and married her, later having four children. Some time before the series, he and Zeoticus Gremory arranged a marriage between his third son Riser and Rias.
He talked with Rias' father at the end of Volume 2 after the defeat of his son at the hands of Issei, feeling pleased because it had taught Riser that the Phenex Family is not absolute and what he needed was the feeling of defeat. He also commends Zeoticus on his daughter having a good servant by her side.
Powers & AbilitiesEdit
Demonic Power: As a Devil, Lord Phenex has all the common skills and powers of one.
Immortality: As a member of the Phenex Clan, Lord Phenex shares his family's signature regeneration abilities, being able to regenerate lost limbs and recover from wounds instantaneously.
Pyrokinesis: Coming from a family that represents the Phoenix, Lord Phenex is capable of using fire based attack.
- In both the light novel and manga, he and Zeoticus discuss about the Welsh Dragon and the impending arrival of the Vanishing Dragon, while in the anime this conversation is held between Sirzechs Lucifer and Grayfia Lucifuge.
- In both the light novel and manga, during his talk with Zeoticus Gremory he states, "Both of us already have pure-blooded Devil grandchildren." This means that Ruval Phenex or the other unnamed son already has a son or daughter.
- Lord Phenex so far has the most children out of any pureblood high-class devil in the series. He has four children which makes the Phenex Clan a rare and exceptional case among the noble houses.