Athena is Fireteam Reaper's AI, so all she does is keep track of each member of the team and brief them on missions. Her characteristics are very uniform for the most part, but she does try to relate with each team member when they're stressed, angry, or sad. She's very official yet caring. her voice is similar to Diana Burnwood's from the Hitman franchise. She's very flat, with only slight inflections in her tone and somewhat robotic at times. Here is a sample of Diana's voice: https://www.youtube.com/watch?v=5z8QQApeO2k