Mood: The mood of the video appears to be dark, intense, and vengeful. The theme seems to revolve around revenge, as hinted by the tagline 'Back with a vengeance'. The overall emotion exuded is one of fierce determination and possibly a sense of danger or threat.

Environment: The setting of the video seems to be a dark or dimly lit environment, possibly indicating a night-time or indoor setting with a focus on shadows and contrast. The background is predominantly black, which adds to the intense and mysterious atmosphere.