One common theme is the reaction of Arthur and the other characters. They might be in shock, disbelief, or awe when Merlin's true identity as Emrys is revealed. Another theme could be how Merlin's power is perceived and used differently after the revelation.
One common theme is magic. Since Merlin is a powerful sorcerer, many fanfictions explore different aspects of his magic, like its limits or new spells he discovers. Another theme is loyalty, often seen in how Merlin stays loyal to Arthur and Camelot despite the challenges. Friendship is also a big theme, especially his relationship with Arthur and the knights.
One common theme is friendship. Since Merlin and Arthur have such a complex relationship in the original series, fanfictions often explore different aspects of their friendship, like loyalty and sacrifice.
The exploration of magical heritage is a significant theme. Harry has his own complex magical heritage, and Merlin is a figure deeply rooted in magical history. Fanfiction may explore how their heritages are related or could influence each other. For example, it could be discovered that Harry has a distant connection to Merlin's line. Additionally, the theme of friendship and loyalty is common. Writers might depict how Harry and Merlin form a strong bond of friendship, and how that loyalty is tested in the face of various challenges in the magical world.
Well, first, check out Tumblr. There are many Merlin fans on Tumblr who might share or recommend fanfictions about Merlin Emrys being revealed. Additionally, some dedicated Merlin fan forums could be a great place to look. These forums often have sections for fanfiction, and users are usually very helpful in pointing you towards good stories with this theme.
Power and responsibility is a big one. Since the character has a connection to Merlin, they have to deal with the power that comes with it and the responsibility to use it well. Also, the exploration of ancient magic and how it fits into the existing Harry Potter magic world is quite common. For instance, they might explore how Merlin's magic is different from what is currently taught at Hogwarts. There could also be themes related to prophecy and destiny, as the character's new identity as the Heir of Merlin may be tied to some greater purpose in the wizarding world.
You can start by looking on popular fanfiction websites like Archive of Our Own (AO3). Just search for 'Merlin Emrys reveal' in the search bar, and it should bring up relevant stories.
Some Emrys Merlin fanfictions are centered around Merlin's true identity as Emrys being revealed earlier than in the show. This can lead to all sorts of new plotlines, such as how the characters would react to his power and prophecy. Others might be about Merlin using his Emrys powers to save Camelot from greater threats that were not in the original series. And then there are fanfictions that are more about the emotional journey of Merlin as Emrys, dealing with the loneliness and the great burden that comes with his powers.
One common plotline is when Merlin reveals his true identity to Arthur in a moment of great danger. For example, when Camelot is under a powerful dark magic attack and Merlin has no choice but to use his magic openly to save everyone.
In fanfiction, Emrys Merlin as High King often brings a sense of a new era. Writers usually explore how his magic and wisdom can reshape the kingdom. He might introduce more inclusive policies, using his magic to help the poor and develop the land. His reign could also mean a better relationship between humans and magic - no longer fearing magic but using it for the good of all.
There are quite a few interesting 'Merlin Prince Emrys' fanfictions. 'Emrys: The Prophecy Fulfilled' is one where he finally fulfills all the prophecies about him in a very action - packed way. Some fanfictions like 'Emrys and the Magic Council' explore his role in the magical community more deeply. And 'The Trials of Prince Emrys' has him facing a series of difficult challenges that really test his character and powers.