The flute's melody carried a murderous intent. This could only mean one thing—Karina was locked in battle with someone.

This kind of flute sound was inaudible to ordinary people. Only those with significant power could hear it.

Felix did not hesitate for a second. After a quick warning to Laura, he bolted out the car door. In a nearby park dense with greenery, Felix had barely arrived when he heard a voice.

"Who's there?"

Felix could only laugh. Despite being a Grandmaster with his essence concealed to perfection, Karina had still detected him.

"It's me, Karina."

Karina stood there holding her flute, clearly surprised. "Felix? What are you doing here?"

Before he could answer, Felix looked toward a spot where a man's head was swinging back and forth, laughing with a sinister edge. "Hehehe, you think you can kill me like that? Keep dreaming!"

As the head spoke, a body grew beneath it, taking the form of a full-grown man. Without a word, Karina played her flute again. The