This is irony.
It is irony because war is anything but kind. Alliteration would be if both words started with the same letter. Style is not a device, and a simile is when you compare something to something.
Answer:
show dont tell...
Explanation:
show don't tell is like using sensory detail for example dont say, bailey was happy, instead say a gigantic grin spread across bailey's face, and her eyes lit up like the 4th of july
The theme of night calls is a dark theme