He could start by simple things like creating ice cubes at will. Then progress to making small ice sculptures, which could later grow into larger and more complex ones. Eventually, he could learn to create ice storms or even entire ice landscapes.
There could be a fanfiction where a character with ice powers is actually an enemy in the Percy Jackson world. They are trying to freeze over all the water sources, which would be a huge threat to the demigods. Percy and his friends have to figure out how to stop this ice - powered foe. They might discover that the only way is to find a way to combine fire and water powers in a unique way, like using the heat from Hephaestus - forged weapons along with Percy's water control to melt the ice and defeat the enemy.
One idea could be that Percy discovers his ice powers during a dangerous mission. Maybe he's in a really hot and hostile environment, like a volcanic area, and suddenly his ice powers emerge to cool things down and save his friends. Another could be that he has to train with an ancient ice spirit to control his new powers. The spirit could be really strict and Percy has to learn discipline along with mastering his ice abilities.
Well, in some fanfictions, Percy might have the power of enhanced underwater communication. He could talk to not just regular sea creatures but also mythical ones that are usually hard to reach. For example, he might be able to have a full - fledged conversation with a kraken.
He could have the power to freeze water instantly. Since he has a connection to water already as a son of Poseidon, this would be an extension of that. He might also be able to create ice storms and blizzards at will.
One possibility could be that Draco uses his ice powers to protect his friends. In the fanfiction world, he might be in a situation where his friends are in danger from some sort of fire - based threat. His ice powers would come in handy to extinguish the flames and keep everyone safe.
If Percy had ice powers in fanfiction, it might also affect his relationships. His friends would see him in a new light, perhaps with a bit of awe or even some jealousy. He could use his ice powers for fun, like creating ice sculptures during downtime at Camp Half - Blood. This would add a new dimension to his character and the overall atmosphere of the story.
Ice powers could fit in by being a new type of power that challenges the existing power dynamics. For instance, in battles, they could change the terrain by creating ice ramps or freezing lakes for strategic advantages.
Sure. In it, Percy may have the power to manipulate water on a molecular level, allowing him to create complex shapes or even turn water into a solid weapon.
One new ability could be ice - skating at super - speeds. He could glide across water or land, using his ice - skates made of pure ice, and quickly reach his destination or dodge attacks. It would be like a combination of his natural athleticism and his new ice powers.