Mood: The mood of the video appears to be epic and heroic, with a sense of grandeur and action. The theme seems to revolve around bravery, war, and devotion, as suggested by the tagline 'The bravest warrior, the ultimate devotee'. The overall emotion evoked is one of excitement and inspiration.

Environment: The setting of the video appears to be a rural or wilderness area, possibly in ancient India, with rolling hills and green grasslands. The presence of horses and warriors suggests a historical or mythological context, possibly related to ancient Indian mythology or folklore.