"There's no need to trouble Master for this. I should be enough to kill you!"
Having also noticed the Scholarly Snowpeak Heart earlier, Lan Yu had a hunch that Chu Kuangren caused it. As such, she came to check it out.
Sure enough, it really was Chu Kuangren.
When she saw that Lin Jue was going to attack Chu Kuangren, she figured she would use him to test her newly gained strength. After all, she had just completed her closed-door meditation.
Hence, she attacked.
"Lan Yu, you're out."
"Mmhm. Master, can you leave this person to me?" Lan Yu said.
Chu Kuangren used his Omniscient Spirit to quickly gauge the difference in strength between the two of them. He pondered a while before he replied, "Alright. But be careful."
"Don't you worry, Master." Lan Yu nodded.