The song "Dark Light" by KISS is warning about the malevolent forces and darkness that are descending upon the world. The lyrics urge listeners to be aware of the things they believe in and to watch their step, as darkness and perversion are everywhere. The song talks about the death of love and the impending doom that is coming for everyone. The catchy guitar solos and intense energy of the song amplify the urgency of the message. Overall, the song serves as a warning to be vigilant and not be fooled by the darkness that is closing in. It's a reminder to stay strong and resist the negativity that is trying to take over.