Castillin stood for a long time outside the window, in a position that remained motionless for an hour.

"What do you think?" At last he spoke.

After a busy night, Castillin's voice seemed a little hoarse, and he was still tired from the hoarseness.

A figure slowly emerges from the shadows in the corner, and if he does not move, few people will find that there is a person in the corner.

"Don't ask me about this kind of brainstorming." The voice of the shadow seemed a little stiff: "I don't have a clue."

"Next, I want you to do it yourself." Said Castilin.

"Do it yourself? To whom?

Kestin...