It could be Artemis. Since she's often observant and has a good sense of what's going on around her. She might be the first to notice Robin's collapse during a mission or while they're all together at the base.
Superboy might also be the first one. Given his enhanced senses, he could pick up on Robin's sudden change in condition. For instance, if Robin's heart rate suddenly dropped or something like that, Superboy would be able to sense it before others and rush to his aid.
In some scenarios, it could be Aqualad. He's a natural leader and is always aware of his team members' states. He might be the one closest to Robin when it happens, perhaps during a strategy discussion or just while they're walking around the base, and immediately notice that something is wrong when Robin passes out.
Another possibility is that Robin passed out due to overexertion. He might have been pushing himself too hard in training or during a battle. This could lead to a story arc where he has to learn to take better care of himself and rely more on his teammates. His passing out would serve as a wake - up call for him and also for the rest of the team about the importance of balance.
Yes, there are quite a few. You can start by looking on fanfiction websites like Archive of Our Own. Just search for 'Robin is a girl Young Justice' and you'll find a variety of stories. Some might focus on her relationships with other characters, while others could explore her character development in a new light as a female Robin.
Artemis is also a frequent ally. She and Robin can form a great team, especially if Robin's powers are of a certain nature. For instance, if he has enhanced agility, he can work with Artemis' archery skills to create some amazing combat combinations. And of course, Superboy can be an ally. His super - strength combined with Robin's powers can make for a formidable force against their enemies.
Obviously, the main character would be the one who would become Robin. But there could also be other important characters like his trainers or guardians. For example, an old martial arts master who taught him the ways of combat.
In most cases, Batman would win. He has more experience, better combat skills, and a greater knowledge of various fighting techniques. Robin is still young and learning, although he is very talented.
A new super - villain group that wants to take over the world might be behind it. They figure that by experimenting on Robin, they can learn the secrets of the Young Justice and use that knowledge against them. Or perhaps an old enemy of Batman who wants to get back at him by harming his protege.
Slade could be the kidnapper. He has a history of being an adversary to the Teen Titans, and in a Young Justice context, he might target Robin for his skills and connections. He would likely have a well - thought - out plan to use Robin for his own dark purposes, maybe to gain access to some secret information or technology that Robin has knowledge of.
Well, it's hard to say who the 'best' are as it's subjective. But some popular authors might be those who have a deep understanding of the characters. For example, authors who can accurately portray Batman's brooding nature and Robin's eagerness to prove himself. Some of the more well - known ones are often those who have been writing in the Young Justice fanfiction community for a long time and have a large following.
There's also a chance that it could be a rogue member of a hero organization. They might have gone bad and decided to kidnap Robin for some self - serving reasons, like trying to gain power or access to certain secrets within Young Justice.
Look for authors who get positive reviews and feedback from readers. Those who are able to capture the essence of the Young Justice universe, the personalities of Batgirl and Robin accurately, and create interesting plotlines are usually highly regarded in the fanfiction world.