The Digital World is quite possibly one of the most chaotic places in existence. With beings capable of leveling entire cities with ease, it's no surprise that a certain amount of trepidation is needed to traverse this dangerous world. This is why the DigiDestined are constantly being called to the Digital World. To restore order when things get too chaotic.
Related: What Are Digimon And Where Do They Come From?
That being said, dragging groups of human children across the boundary between the Digital World and the Human World isn't practical nor is it always possible. The Digital World needs a presence that is always there and always watching. This is why the Royal Knights came into existence.
The term 'Royal Knight' is very special within the Digital World. It's not a family name like the Wind Guardians or the Dragon's Roar, nor is it a level like Ultimate or Mega. It's a title. A title that is both revered and feared across the entire Digital World. There are many Digimon that covet this title, but very few have been able to achieve this goal.
Gaining the title of 'Royal Knight' isn't a matter of being the strongest. In fact, there are plenty of Digimon that can contend with, if not exceed, the combined might of the Royal Knights. No, to gain this title, a Digimon must exemplify the tenets of knighthood.
As they are heavily based on the legend of King Arthur and the Knights of the Round Table, the Royal Knights, too, must follow the virtues of knighthood. Each must show devotion to their cause, the courage to face any opponent, the strength to strike down evil wherever it may reign, and the willingness to sacrifice everything to protect the peace. Out of the hundreds of Digimon that make up the Digital World, only
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