The auction!

"Why are you sitting there?" Serena interrupts her conversation with Luna by asking her this question.

Alvine had a mocking smile when she heard her words. "Sigh, why are you asking me that when strangers are sitting on the three other sofas? You may not know, but I don't like approaching strangers, especially when they behave suspiciously!" He replied, with no intention of hiding this information.

If he wanted to learn more details about the leaders, going straight with them and forcing them to reveal their presence was the safest and fastest plan for him.

Upon hearing his words, Serena remained silent with surprised eyes. 'Even the little Brave could not feel the presence of others. This guy is more mysterious; I now understand why my dear sister cares so much about him. But more importantly, what is his identity? I don't remember meeting such a person in our ranks when I was with the Punishers.' She said to herself, taking up her impassive expression.