This game has been out for 20 years and still we have people in the community discovering new things about it. Thanks to Akeryl for finding this insane strategy. By standing halfway on the nav point Marcus is meant to go to, his behavior is glitched. If he is in combat, he starts to flee in response, allowing us to lead him to the end of the level. This is the first kind of AI control we've discovered that we could reproduce reliably