As a demigod, he might have superhuman strength, speed, and the ability to control water. As a magician, he could have the power to cast spells. For example, he could combine his water - controlling ability with a spell to create ice sculptures with magical properties. He might also be able to teleport short distances using magic, which is different from any demigod power he has.
Well, as a demigod, Percy already has amazing powers like his proficiency in combat and his connection to the sea. When combined with his magician identity, he could have powers that are out of this world. He could use magic to manipulate time on a small scale, like slowing down time to dodge an attack while using his demigod reflexes. His magic could also give him the ability to understand and speak any language, which would be extremely useful when dealing with different magical and demigod creatures. Additionally, he might be able to use magic to create portals to different realms, which could be used for both strategic retreats and exploration in the demigod world.
Maybe he could gain the ability to transform into an Egyptian animal, like a falcon or a jackal. This would be a cool addition to his existing powers and would give him new ways to move around and fight enemies.
Percy could have his water - controlling powers from his original story. In the Avengers fanfiction, this could be really useful against fire - based villains or in situations where they need to manipulate water for various reasons, like putting out fires in a big city during an attack or using water to create barriers against enemies.
Well, if Percy is the son of Loki in a fanfiction, he could inherit Loki's ability to manipulate minds to some extent. This would give him an advantage in getting out of tricky situations. He might also get Loki's power of teleportation or at least some form of fast movement. And considering Loki's connection to chaos, Percy could have an innate ability to disrupt magic or technology around him. His water - based powers from his Greek side could be enhanced with Loki's chaotic energy, making his control over water more unpredictable and powerful.
In this fanfiction, Percy could have an ability to sense danger. It's like a sixth sense that warns him of impending threats. This could be a natural ability that he has had since birth. He could also have a talent for hacking, which he learned from Tony or on his own. With this, he can access secure systems to gather information or disable enemy technology. And perhaps he has a unique way of thinking that allows him to come up with out - of - the - box solutions to problems that Tony and his team face.
Maybe he has the power of elemental control. Given his Slytherin nature, water or air control would be fitting. He could use water to create barriers or air to send messages or eavesdrop on conversations. This would add a new dimension to his sneaky and resourceful character.
Another power that could make a demigod the most powerful is the ability to manipulate time. In some fanfictions, a demigod might gain this power, either through a special quest or some kind of divine gift. This would allow them to stop time, rewind it, or speed it up for themselves or others. It would give them an incredible advantage in battles, as they could freeze their opponents and strike at will.
Percy can communicate with sea creatures. This may seem a bit odd for the Avengers at first, but it could actually be very useful. Sea creatures could act as scouts in areas near water, providing the Avengers with early warnings of approaching threats. Also, some sea creatures have healing properties themselves, and Percy could potentially use his connection with them to find new ways to heal the Avengers.
The significance is that it sets Percy Jackson apart. It tells us that the Percy Jackson series is not some secondary, unoriginal work. It has its own story to tell that is not based on the typical fanfiction ideas of demigods. It's a way of emphasizing the originality of the Percy Jackson concept.
He could go on adventures to the far reaches of the Underworld. With all the gods' powers, he might be able to access areas that were previously off - limits. He could also journey to the homes of the gods and goddesses to learn more about their powers and how to use them better.