To bear the title of Dragon Lord is to shoulder the burden of protecting their race from all who threaten their existence. And with that responsibility, all Lords inherit the Three Legacies of a Lord. Lukas Drakos, heir to the Drakos bloodline, has not merely inherited the throne; he has inherited the history of tens of thousands of years since the first of his kind.
These are the Three Legacies:
The Crown of a Lord
To mark their Lordship, each holds greater mental powers than the rest of their kind, this referred to symbolically as the Crown, and literally applied through mental abilities others do not innately possess. Each of the Lords has the innate ability to communicate with telepathy, a skill that increases in scope and ability with time. This is the reason why the townspeople greeted him when he first tried speaking to the young wyvern. They can telepathically commune with others of their race with ease, and with those they have formed strong bonds with. The strongest of Lords can telepathically commune with any being, needing only to transfer ideas, and being in a sense omnilingual. In this way, the Lords can commune with any of their ilk, and even other Intelligent Familiars, to provide aid. The Crown further grants the Lords incredible mental fortitude, able to resist any mental attack or effect, so that their eyes and heart may lay solely with Linemell. They exist to serve the draconic race and no one else.
The Robes of a Lord
It was what Katrina was talking about are the scales of a Dragon Lord. Similar to the Crown, this is a further mark of their Lordship. Each of the three have incredible resilience by virtue of their station, but beyond this, their scales are immune to elemental attacks and effects that strike against them, and such attacks are absorbed. In this way, the Lords may themselves be a shield for their people. But the benefits of this extend further. If struck with elemental attacks, after absorbing them into their scales, the Lord in question gains temporary control over the element, able to launch attacks with it. How long they maintain this control scales with the power of the Lord in question. Mages and elementalists, thousands of them can fall upon the Gates of Linemall and The Lords will not fall to them.
The Crest of a Lord
The third and final mark of Lordship, and the power that lets the Dragon Lords stand against any invader - Their bloodline, and their heritage of the Lords before them, manifested as the Crest of their Lordship. The Dragonlords can call upon their heritage, and through their bodies, become the embodiment of their bloodline, gaining immense power for as long as they can maintain this state - The length of this ability, like the above, scaling with the Lord in the question. While in this state, the Lord gains access to the Divinity of their predecessors, able to cast spells at higher power and without a toll on their Mana Pool (essentially the measure of their stamina when it comes to using magic). Usage of this skill is dangerous if done for long periods, as the Lord may lose their sense of self the longer they channel their heritage through themselves, until they lose themselves completely in the sea of voices, becoming naught but a beast.
These are the Three Legacies of a Lord, two of which Lukas has already inherited; Katrina explained to him as they walked through the palace.
Sometimes, the offspring of the Dragon Lords are only able to inherit one or maybe if they are lucky two of these Legacies. Only the true heirs, the ones who eventually lead the draconic race inherit all of the Three Legacies; making them the most powerful of their species. Arguably and potentially one of the most powerful of this world.
After making sure his mother had settled in their new quarters (which the Dragonborn definitely made sure was up to standard), Lukas visited his niece who had been sent to the infirmary.
She was a hard-headed one, already up on her feet and immediately requested for another duel. This girl was most definitely a battle junkie, not the first time he'd encountered the type. He'd laughed and told her to show her around which she gladly did, on the condition that they would fight again another day. She was a hyper energetic kid who didn't seem to be able to sit still, swinging her hammer around; a hammer that she carried around everywhere she went. She had refused his request to be the one who taught him magic though, explaining that she had just begun her own training in the mystic arts.
He asked many questions and she answered every single one. Yet there was one he was hesitant to ask but finally did, because he had to know.
"Katrina." He called out to her and she turned, recognizing the seriousness in his tone as they walked towards the giant libraries of the palace which Lukas wanted to see.
"Hmm?"
"Where is my brother? Where is your father?"
This is the one thing that Lukas could not make sense of, no matter how hard he thought. If his brother was dead then was there another who ruled over the Seas of Linemall now? If his brother was alive then why had he not come to greet him? It was as if they did not want to speak of Rodan as if he never existed.
Katrina's voice trembled with a mix of frustration and sorrow as she met Lukas' gaze, her fists clenched tight around her weapon. It took her a while to answer him and Lukas felt like it was because she didn't want to accept it herself.
"For five years, the seas have been without a Lord. My father vanished without a trace. He is likely dead, Uncle. The tides no longer answer to a master, and in his absence, the vultures have come to feast."
Vanished? Could he have been killed? Perhaps his brother had been overwhelmed by the weight of his position and abandoned his post; but he'd never suggest it out loud. He wondered how alone she had been, probably fighting off those who wished to take advantage of the power vacuum created by her father's disappearance. She was a fighter after all. But deep down and especially right now, Katrina was still just a young girl; scared and without a father. Right now, she needed someone to be there for her.
"We can look for him. We'll do it togeth-"
"No. I can no longer live in the past, waiting for him to come back. Our people need someone to lead them and that someone is you. I know it is." Her eyes flash with defiance now and Lukas takes a moment to admire her strength. For the sake of her people, she is willing to let go of grief for a better future.
Before he can give her a proper reply, a voice behind him interrupts their conversation.
"And I am afraid my granddaughter is right."
He turns to face a woman who is just a little shorter than his mother who stands right beside her. Her words click in his head a second later and he realizes who is standing before him. The woman is Rodan's mother: The Lady Kaitlyn Drakos, the wife of Lord Jaren.
"The Seas of Linemall need a ruler. They need a new Dragon Lord of the Seas, Lukas Drakos. They need you."