Star Wars: Knights of the Old Republic: Days of Fear is the fourth story arc in the Star Wars: Knights of the Old Republic comic book series and the first in the four-part Days/Nights cycle of story arcs. A three-part story arc, Days of Fear breaks up the core cast of the series, and also introduced the characters of Saul Karath and Carth Onasi, who had previously appeared in the Star Wars: Knights of the Old Republic video game.