It could be said that, even for her, even if she used all of her trump cards, killing several core formation realm beasts that range from early stage to late ones in a span of a short period was beyond her capabilities.
Moreover, even if she managed to pull it off, the young girl was sure that the injuries she would receive wouldn't be that light, probably even dying on the spot in the worst case possible.
"Killing core formation realm beasts without sustaining injuries; I'm afraid only a Nascent Soul cultivator could pull that off... and a strong one on top of that."
Having formed a wild conjecture in her mind, the young girl, despite the fear within her eyes, still thanked Leo in the short distance — cupping her hands in order to show her utmost respect.
"There's no need; I also found those beasts irritating."