A small flashback is shown depicting the reason for Agni's nyctophobia. There are many types of therapies to help manage Nyctophobia. This guilt affects Agni and he suffers from nyctophobia. Though it rarely came up given his ability, Dirk was revealed to suffer from nyctophobia. Nyctophobia is a phobia characterized by a severe fear of the dark. Nyctophobia can be severely detrimental physically and mentally if these symptoms are not resolved.