Ragna Wrymheart is the leader of the Dragon Guardians, the world's most renowned mercenaries, who fight for truth, justice and peace while standing loyal to the Harmonius Republic. However, as the Republic descends into economic turmoil, Ragna and his allies find their loyalties tested as rebellion and revolution threaten the nation they have pledged to defend.
Ruatemn Skysong is the second-in-command of the Guardians and Ragna's closest friend. However, when confronted by the turmoil and suffering the Republic's economic crisis causes, he must decide whether to stand in the name of justice, or cast aside justice to do what is right.
- Cat Girl: The Butterflymon Ruatemn sleeps with is described as having feline features.
- Does This Remind You of Anything?: A bad economic situation which leads to the overthrow of a benevolent republic by a group of militants who see one race as superior to all others. Hm.
- Doomed by Canon: All of the Guardians except Ragna and Ruatemn
- Famed In-Story: The Guardians themselves. Ruatemn also makes brief mention of titles belonging to such people, though with no elaboration.Ruatemn: You're not the bane of the Parasimon swarm, the Equal of Veles, the Ruin of Yomi.
- Five-Man Band: The Dragon Guardians, though there are seven of them.
- Fantastic Racism: Ruatemn is said to come from a place where Dragon Digimon are seen as superior to all other races.
- Foregone Conclusion: The Republic will be overthrown and the Dramon Empire will rise. Ruatemn will betray Ragna and join the Empire.
- Foreshadowing: Terminus' diseased white flower being replaced by a bright red one. The Harmonious Republic being replaced by the Dramon Empire.
- I'm a Humanitarian: The demon leader eats the Digicores of the Mooks he kills.
- Kill 'Em All: Chapter 6. Five of seven Guardians are dead by the end, along with a ton of Mooks.
- Not So Different: The death scenes of Himiko and Lucan come with this, despite the two being on opposite sides. Both die with a comrade at their side, that comrade promising to avenge them.
- Rousing Speech: Ragna to the forces of the Frontier Town in Chapter 3.
- Shout-Out: Giraffa Swarmlord is named after a Megacolony Unit in Cardfight!! Vanguard.
- Super Prototype: Alpha is most definitely this. Except he comes with his own bagof issues.
- Super Soldier: The proto-super soldiers.
- Theme Naming: Most of the Royal Hive's TigerVespamon elites are named after famous Romans, Petronius, Pliny etc.
- Tragic Dream: Tomoe and Himiko's wish to return to their homeland and build a home together in the mountains. Interesting, this dream isn't beyond their physical capabilities and they would harm no-one by doing so. It's a Tragic Dream because they're Doomed by Canon.
- You Have Outlived Your Usefulness: In a mix of the tropes, the demon leader kills off his IceDevimon scouts both because they have failed him by letting news of the demons get out, and because since news is already out, he no longer needs them around.
- War Is Hell:War approached, spreading its wings of death and blood to swathe the world in chaos and anguish. Death and despair sounded their foul trumpets in honor of the approaching carnage, and the infernal drumbeat of battle pounded in time with the heartbeats of soldiers and knights, demons and monsters.
- What Measure Is a Mook?: Ruatemn thinks Ignitus is well worth reassuring and giving his word to help.
- Wide-Eyed Idealist: Ragna. As Guivre notes, he'll tolerate anything which doesn't hurt someone.