It had been a long time since Fyodor began to suspect Sigma of being a traitor, since Sigma would have many facts to try to betray them, since Fyodor and Nikolai had always used and manipulated him, and Sigma would do anything to save his casino, even commit murder, since the melody of despair runs through his veins, and he is capable of anything to protect what he has left.
When Fyodor asked Sigma to go down from the casino to their base for a meeting, Sigma did it reluctantly but with the help of a helicopter, since his casino is literally high in the sky.
After the meeting, when Nikolai went somewhere, Fyodor decided to go after Sigma, who also went somewhere. When Sigma entered Fyodor's office, Fyodor entered there a few minutes later.
Fyodor crossed his arms over his chest, looking at Sigma with a calm smile, who did not notice him. He spoke calmly, although his tone of voice was only the usual confidence, arrogance, slight contempt and calm.
"Sigma, what are you doing here in my office?"