Mood: The mood of the video appears to be devotional and spiritual, with a sense of reverence and worship. The theme seems to be centered around Hindu mythology, specifically the reverence of Lord Shiva, as indicated by the title 'Har Har Shambhu' and the depiction of Shiva's face. The overall emotion evoked is one of tranquility and mysticism.

Environment: The setting of the video seems to be a mystical or divine realm, with swirling blue and pink smoke or energy surrounding the face of Shiva. The environment is ethereal and otherworldly, suggesting a connection to the spiritual or divine.