The Elves' fading is said to be a consequence of the darkness Morgoth brought to the realm.
The Elves are demonstrably getting weaker. Their time in Middle Earth is over and they really belong across the sea. Their kingdoms are collapsing and populations declining as they return to the Undying Lands. Even the races of elves not tied to the Undying Lands are "fading" from existence.
For The Rings of Power, Númenórian hatred of Elves built over time out of jealously for their immortality. In The Silmarillion, Tolkien outlines the downfall of Númenor as a slow burn that began with the Ban of the Valar, which entailed the first Númenórians agreeing to never sail west toward Valinor.
The main difference is that, in the books, they were forged after the other Rings, not before. This means that the three Elven Rings weren't imbued with Sauron's malice, making them the most powerful among the Rings of Power — and the most coveted by the Dark Lord.
Instead, there's a sick tree meant to signal that the Elves are doomed. They apparently have until springtime to leave Middle-earth, lest the light of the Eldar leave them and their souls burn away to nothing. The only thing that can stop this is mithril.
Portrayal of Galadriel in The Rings of Power is divisive among the fandom. Her character is criticized for many different reasons, from her self-righteousness and abrasive personality, to her inability to detect the very evil she is hunting right under her nose.
Once an elf engages in reciprocated love with someone, that's it. If he cannot be with that person he will lose the will to live, die, and become a forever-shade in the Halls of Mandos. Elves do not move on.
While Hugo Weaving's Elrond looks a bit older than his peers, this is mostly to show the paternal relationship he has with Arwen (Liv Tyler). Galadriel is actually older than Elrond, but Cate Blanchett is depicted with an angelic presence that gives her eternal youth.
Here's what we do know so far: Adar (played by Joseph Mawle) is an elf corrupted by Morgoth, known as an Uruk. He now leads a legion of Orcs (his "children") in a crusade against the Men of Middle-earth, culminating in the battle in the sixth episode.
In The Rings of Power, Elrond is much younger and less serious than his older counterpart, and in the last episodes Elrond has featured heavily in the story as he visited the Dwarf Kingdom of Khazad-dum, a place very familiar to those with any knowledge of Tolkien's epic fantasy.
In J. R. R. Tolkien's writings, Elves are the first fictional race to appear in Middle-earth. Unlike Men and Dwarves, Elves are immortal. They feature in The Hobbit and The Lord of the Rings. Their history is described in detail in The Silmarillion.
The Three were untouched by Sauron in their making and were made for preservation so they didn't negatively affect their bearers.
But the most puzzling characters on Prime Video's The Lord of the Rings: The Rings of Power—at least to date—may be the three witches in white who are played by Edith Poor, Bridie Sisson, and Kali Kopae. Perhaps it's more accurate to call them cultists or evil-doers.
Though neither is someone you'd wish to annoy, Galadriel is generally considered more powerful than Elrond in Lord of the Rings. Not only is she older than her Rivendell counterpart, but Galadriel witnessed the light from Valinor's Two Trees, giving her a mystic quality.
According to Tolkien's writing, Galadriel didn't fight in the War of Wrath because she didn't believe Morgoth could be defeated without the help of the Valar.
Galadriel has very strong magical powers, and she is said to be the greatest of the Ñoldor after Fëanor. The majority of her powers come from her Ring of Power, Nenya, the Ring of Water.
The first Dark Lord Melkor took hostage some Elves from Cuiviénen. He tortured them, beat them, and broke their bodies into the first deformed and twisted beings known as Orcs.
I think there are other actors of color who are doing a superb job, but there are four in particular in The Rings of Power who have been objected to. I think most of the objections have been against Arondir (Ismael Cruz Córdova), who is the Black elf. He's one of the immortal elves of Tolkien's legendarium.
As such, the Orcs were literally born in the dark, fighting and thriving in the black of night. When the sun rose over Middle-earth for the first time years after their initial creation, the light traumatized the Orcs, burning and blinding them after so many years shrouded in darkness.
Elrond's was born nearly 600 years after Galadriel, but he was born as a half-elf, and so until he made the choice to become an elf, he aged at a faster rate, though still slower than mortals.
Elrond Half-elven is a fictional character in J. R. R. Tolkien's Middle-earth legendarium. Both of his parents, Eärendil and Elwing, were half-elven, having both Men and Elves as ancestors.
Gandalf, without a doubt. Gandalf is a Maia and Elrond is only a elf. Both of them have rings of power so the power boost is negated for both of them. Gandalf has killed a balrog, he has fought all of the nine ring wraiths and was on par with all nine of them at once, so he is about nine times more powerful.
Elrond has only Half-Elf, and he was once given the choice to be counted among Man or Elves. When he chose to be counted as Elven kind, he was then given immortality. Because Arwen is Elrond's daughter and also Half-Elf, she too has the choice to be a mortal woman or an immortal Elf.
However, he does not possess the ability to live forever, and he cannot choose to be mortal or immortal like Arwen, the half-Elf he loves and eventually claims as his wife. Because Aragorn is mortal and Arwen chose to remain in Gondor and become mortal, their son, Eldarion, is mortal as well, despite his Elven lineage.
Legolas does not marry or have any children, based on the appendix of The Lord of the Rings. Regardless of who his mother was, Legolas is the last of his line. When he sails into the West at the beginning of the Fourth Age, he leaves no family members behind.