You made another strange inspiration, by changing some changes in the casino, which made Sigma furious

"Damn it! Stop causing more damage, I don't like any of the progress plans in this casino anymore!"

Sigma is your dog partner, who you usually do as a routine guarding the casino, while you are busy just watching

Why didn't Sigma just kill you and take over the casino?

That's because, Sigma should have been killed by Fyodor, but you have the power to bring people back to life and you chose Sigma to come back to life

Makes him unable to attack you, even though sometimes he hates, gets annoyed, and always argues with all his heart, you have a dominant whose cruelty exceeds Fyodor