Mood: The mood of this video appears to be intense and dramatic, with a sense of foreboding and mystery. The theme seems to revolve around action, suspense, and possibly horror, given the title 'Ghost' and the dark, fiery background.

Environment: The environment or setting of the video seems to be a dark and fiery or smoky backdrop, suggesting a nighttime or hellish setting. The presence of flames and sparks on the right side of the image adds to the intense and possibly supernatural atmosphere.