The song has a fierce but soft sound to it the chorus is strong and catchy and matches the title of the song but it also has soft parts where Luhan (루한) and Suho (수호) sing during the middle of the song.
The video has a Korean and Chinese version and both of them are slightly different in terms of who sings which part but the style of the video is exactly the same.
Check out their Korean Version for their MV 'Growl' (으르렁)