A high platform or tower used in ancient times to light signal fires or smoke to warn of approaching enemy forces.

The flames of battle rage everywhere; describes a state of widespread and continuous warfare

beacons of war fire up in all directions; used to describe the widespread chaos and confusion of war

beacons of war lighting up the sky; a metaphor for the fires of war raging across a vast area

The Kizilgaha fire beacon tower, an ancient military watchtower located in Kuchar County, Aksu Prefecture, Xinjiang