In this critical moment, the protagonist suddenly realizes the gravity of their predicament. Their guides, who were essential for navigation and support, have perished. One of their machines, which was crucial for their escape, is also missing, leading to a sense of hopelessness.
The destruction of their return marker further cements their dire situation. With no means of communication or a way to return home, they find themselves isolated and trapped. This bleak realization leaves them to face a future with no viable prospects for escape, creating an intense feeling of despair.