Shemihaza's physical body has not been seen yet, but given like the other founders of the Order, they are said to have returned to nature, it is quite likely that their physical body has mineralised in some fashion or another like those of Azazel and Armumahel.
Blue Night Investigation arc
While Lightning and Ryuji travel to visit Azazel, Lightning explains that Shemihaza is one of two Emperors, called the Sol, that helped humans fight demons. Shemihaza is the Emperor of Creation, and he worked together with Armumahel, the Emperor of Emptiness, and Azazel, a Baal from Gehenna. When their bodies deteriorated, the three chose not to seek new ones, and instead, they fell into a natural, crystallized state. Shemihaza's Nephilim represent him physically within the Grigori, the most recent being Balthasar.
- Shemihaza is another spelling for Samyaza, the name of a fallen angel in apocryphal texts. The name itself means "the name has seen" or "he sees the name".
- In the manga, Shemihaza's name is not officially revealed until Chapter 87, along with their alias as the Emperor of Creation.