An experienced human Hunter who takes the Player Character under his wing. Though capable and possessing of an honest heart, he lacks the motivation to reach his full potential. His partner within ARKS is Echo, a childhood friend with whom he shares a close though divisive relationship.
When Dark Falz Elder is released from captivity during Episode 1, Zeno fights him head-to-head in order to buy time for Echo and the Player Character to escape with Melphonsina. When he does not return, he is declared Missing In Action.
In Episode 2, you gain the power of Time Travel and return to that day to find Zeno barely hanging on against Elder. With the help of Maria and Sara you save Zeno's life, and he begins training in secret under Maria to become #4 of the Council of Six.