When the other groups he had wanted to gather to suppress Ruruo were nowhere to be seen, and the elders within the formation were either injured or dying the old man seemed to have lost all support.
He only felt like a huge force was being led toward his body, especially when Ruruo blessed her sword with the other laws she had comprehended.
The couple had not seen any high-end sword techniques, but Ruruo seemed to have fused everything she had learned along the way. And after taking the path of law, she even started to weave it slowly in her sword moves thus evolving it into the current techniques she was applying.
Even without excellent techniques, she can be said to be indeed on another level when one mentions geniuses, even Wang failed when it came to making his own techniques and only had some inspiration when his potential reached close to 100.