Percy's power over water could be used in combination with Amaterasu's sun - based powers. For example, if they were facing a fire - based enemy, Percy could create a mist or a large body of water to cool things down while Amaterasu's sunlight could evaporate the water, creating a powerful steam - based attack.
Amaterasu's power of purification, which is often associated with the sun, could potentially enhance Percy's abilities. If Percy has been affected by some dark magic or a curse, Amaterasu could use her divine light to purify him. In return, Percy could use his connection to the ocean currents to transport Amaterasu quickly across large bodies of water or to hidden islands in his world.
Percy's water - based powers could be used in creative ways with Carol's energy - based powers. For example, Percy could create a large water shield, and Carol could infuse it with her energy to make it even more powerful and resistant to attacks.
If Percy meets Doctor Strange, their powers would interact in a very different way. Doctor Strange's magic could potentially manipulate the essence of Percy's water powers in ways that are not possible in the normal world of Percy Jackson. Maybe Strange could use his magic to turn Percy's water into a magical substance that has additional properties like being able to heal or disrupt magical enemies.
Well, Harry's magic and Percy's demigod powers could combine in some really cool ways. For example, Harry could use a spell to create a distraction while Percy uses his water - controlling abilities to attack the enemy from a different angle. Or Percy could use his super strength to hold an enemy in place while Harry casts a powerful offensive spell.
Percy's ability to communicate with sea creatures could prove useful in Hermione's world too. He could ask the mermaids in the Hogwarts lake for information, and Hermione could use her magic to translate if there are any language barriers. And on the other hand, Hermione's magic could help Percy when he's in a situation where his demigod powers alone aren't enough. For example, she could use a spell to make him invisible when he needs to sneak around in a place where his powers might be detected.
Percy's power over water could potentially be combined with Sirius' Animagus form. For example, Sirius in his dog form could swim faster in water controlled by Percy. Also, Percy could use water to create distractions or barriers in a fight, while Sirius could use his werewolf - fighting skills and speed to take on enemies that get past Percy's water defenses.
Percy's powers are based on water and his demigod abilities. Thanos has the power of the Infinity Stones. If they were to interact, Percy's water could potentially disrupt Thanos' use of the Power Stone's energy blasts. For example, water could absorb or deflect the energy.
If Naruto uses his Rasengan, which is a concentrated form of chakra, and Percy uses his water manipulation, they could potentially combine the two. Percy could shape the water into a sphere and Naruto could infuse it with his chakra. This combined attack would be extremely powerful. Also, Percy's ability to breathe underwater could be useful if Naruto ever gets into a situation where he needs to be underwater for a long time. Naruto's shadow clone jutsu could also be used to create distractions while Percy attacks with his sword and water powers.
The Son of Anubis has powers related to the afterlife, like being able to sense when death is near or having some control over the souls of the dead. Percy, on the other hand, has his demigod strength and his ability to control water. If they were in a fight against an enemy that was immune to physical attacks, the Son of Anubis could use his powers to weaken the enemy's soul while Percy uses his water powers to create distractions or barriers. Their powers could also work in a complementary way in a more positive sense. For instance, if they were trying to heal a cursed place, the Son of Anubis could use his knowledge of the afterlife to identify the source of the curse, and Percy could use his water to cleanse the area.
Well, Percy's power is more of a natural, in - born ability as a demigod. The Host of Sobek's power is more of a connection to a divine being. Their powers could interact in a way that Percy provides the raw elemental power of water, and the Host of Sobek provides the divine guidance and shape - giving to that water. So, like, Percy could make a large amount of water appear, and the Host could then transform it into a weapon or a shield using Sobek's influence.
Percy's water - based powers could interact interestingly with Thor's lightning. For example, water is a great conductor, so if Thor were to strike Percy's water constructs, it could create a powerful blast. Or Percy could use his control over water to create a shield against Thor's lightning, diffusing it in a spectacular show of power.