Vortigern.
Just like the name "Oberon," it was a being renowned throughout Pan-Human History.
In Pan-Human History, he had sold Britain out to foreign invaders, becoming the instigator of Britain's destruction. He was one of Britain's kings, known as the "Vile King."
In other words, he was a sinner of Britain, one of the key figures responsible for its downfall.
And now, Oberon had given himself such a name. It was truly thought-provoking.
But...
"Is there really anything to be surprised about?"
An expression that would never have appeared on Oberon's face before surfaced there. It was as though his face were shrouded in darkness and shadow, making him seem both cunning and deeply mocking.
"Hadn't you figured it out long ago? I'm not a Heroic Spirit from Pan-Human History at all. I'm a being born from this disgusting Britain."
Oberon was indeed one of his identities, but at most, it was merely a superficial disguise.
Just as Bagster had once been given the name Gawain, receiving Gawain's Spirit Origin and power; as Meiliuqina had once been given the name Lancelot, receiving Lancelot's Spirit Origin and power; even Bavan Xi had once received Tristan's name, Spirit Origin, and power.
Oberon Votigern... this unknown being also possessed two Spirit Origins.
One was Oberon, the Fairy King of Pan-Human History.
The other was Vortigern, the symbol of destruction in the Fairy Kingdom of Britain Lostbelt.
The true identity of the man before them was the Abyssal Worm, said in the traditions of Fairy Kingdom of Britain to be capable of reducing all things to nothingness.
He was the Terminus Device of this cursed world, the very desire for destruction produced by the sinful island of Britain itself. Throughout history, he had appeared in many forms of malice, repeatedly attempting to lead Britain