Silas is tall and skinny with long brown hair that normally covers his eyes.
Silas is outwardly loyal to Lester, often referred to as one of Lester's lackeys along with Randy, but is shown to be easily bribed by outer influences. While acting as Lester's underling, he is modest, quiet, and obedient. In actuality, he is cunning, intelligent, and egotistical.
Dante (魔術師): As a Dante, Silas can control inanimate objects that have his symbol on them. He is able to freely control six types, 16 with patterned movements, with the rest using only basic movements. His image when using his abilities is chess. Originally, Silas could only control up to 128 objects, though later he is able to control more than 300.
Malzel Corps (無慈悲なる軍団): The Malzel Corps are the 128 puppets provided to him by Ernesta that he used in his attacks against Seidoukan students.
Genestellar (星脈世代): As a Genestellar, Silas has enhanced physical ability and an aura known as prana.