He knew why she was sighing. It is because one star is both easy and difficult to acquire.
The requirement to qualify for one star is to survive a single expedition. It is that simple. If he fails to get it during this expedition, then he won't be returning at all.
But he doubts that half of the total third division has up to one star, and he doubts that 30% of those who have one star and more will return alive from this expedition.
On the other hand, he doubts that 70% of the noobs will survive this expedition and gain one star. That's because of the inherent difficulty of staying alive on a battlefield.
While he was thinking and checking people out, he suddenly felt a tingle up his spine. His eyes snapped forward as he stared at a single point at the other side of the hall.
It seems he was the only one who felt death approaching because the rest of the soldiers were still chatting. But that chatting stopped when air suddenly froze.