He was born a red-blooded Null, and at some point he became a guard for the Primes.
Throughout the Series
In The Children of Gabriel, he returns to Sanctum after the red sun with all of the other residents. He later watches over Clarke Griffin and the members of Wonkru. He gets agitated when Jordan is going to the roof of the tavern to see Delilah. She tells Cassius that Jordan is fine. When a Child of Gabriel abducts Delilah, Cassius shakes Jordan trying to get an answer out of him; Jordan is hurt but points to a man running off with her. Cassius and Clarke run after the man into the lower fields. Cassius tells Clarke to go after the Child of Gabriel while he warns Russell Lightbourne. Russell tells him and Jade to lock down Sanctum. In The Face Behind the Glass, he informs Russell Lightbourne that Cillian was a spy for the Children of Gabriel. In The Gospel of Josephine, In The Old Man and the Anomaly, In Matryoshka, In Ashes to Ashes, In Adjustment Protocol,
Cassius was sent to watch over Delilah, if something happened when they took her, cassius showed a concern for Delilah.
|Red Sun Rising||Absent|
|The Children of Gabriel||Appears|
|The Face Behind the Glass||Appears|
|The Gospel of Josephine||Appears|
|The Old Man and the Anomaly||Appears|
|What You Take With You||Absent|
|Ashes to Ashes||Appears|
|The Blood of Sanctum||Absent|
- Cassius: "Yes, Sir!"
Notes and Trivia
- He hasn’t been seen since "Adjustment Protocol".