Egwene didn't like being called an idiot, so shot the ghoul with her gun as many times as it took for him to die, before shrugging softly.
"Well, if we are quite done grenading and making ourselves so dam overt, I suggest we leave this place before we all die" she said, heading back the way she came to go report mission failure to the guy who sent them down here. And probably impose some sort of ban on grenades in future, so this didn't happen again.