18 Demon Warlords is an elite team in Parabellum under Rou and the 8 Demon Generals.
First mentioned in Day 217.
Lower rank and weaker than the 8 Demon Generals, but still part of Rou's Psalms.
The 18 Demon Warlords are:
- Day 240: Title: Battle Beast of Steel ; Steel Crowback (Rusty Iron Knight)
- Day 240: Title: Beautiful Flower; Doriane Duboué (Dryad)
- Day 254: Title: Red Deadly Fury; Rubellia Walline (Redhead)
- Day 255: Title: Loyal Samurai Dog; Akitainu (True Name: Akikazenotsuji)
- Day 255: Title: Brilliant Mercy Righteous Knight; Therese East Eckermann (Female Knight)
- Day 259: Title: King of Demonic Bears; Kumajirou
- Day 259: Title: Emperor Black Wolf; Kurosaburou
- Day 272: Title: Annihilation Corpse; Scarface
- Day 272: Title: Sakura Samurai Trader, Royal Samurai; Sumeragi Kaede (Female Samurai)
- Day 280: Title: Purgatory Sword; Netsuki (Fire Lord-kun ; True Name: Irugureddo)
- Day 280: Title: Gladiator Demon; Liger Bazette (Gladiator King)
- Day 280: Title: Five Karma Oni; The Paraberangers
- Day 302: Title: Golden Guns Princess; Auro
- Day 302: Title: Silver Spear King; Argento
- Day 320: Title: Rampaging King; Oniwaka
For the moment only 15 of the 18 are known.