Another storyline might involve an OC that is from a different dimension. This OC could introduce Kirby to new worlds and different ways of fighting. Maybe the OC's dimension has a different type of energy source that Kirby can use to enhance his own abilities. The two of them would have to learn to work together while also dealing with the cultural differences between their two homeworlds.
One idea could be to create a story where Kirby teams up with some of his less - known friends from previous games to face a new, powerful enemy. Maybe they have to journey through a strange new world filled with unique obstacles and enemies that require all of their combined skills to overcome.
One popular OC is a little fairy - like character. This OC has the ability to heal Kirby and his friends when they are injured. They also have the power to fly quickly and scout out areas for potential danger or hidden treasures. Their cute appearance and helpful nature make them a favorite among fans.
One great 'kirby right back at ya fanfic' story could be one where Kirby teams up with his friends in a new and exciting adventure. Maybe they have to face a never - before - seen enemy that has unique powers. For example, an enemy that can manipulate time and space, forcing Kirby and his pals to use their combined skills in creative ways to overcome the challenges.
First, think about the characters you want to feature. Kirby is the main character, of course, but you can also include his friends like Dedede, Meta Knight, etc. Then, come up with an interesting plot. It could be a simple adventure like Kirby going on a quest to find a magical fruit that can cure a strange illness affecting Dream Land. Keep the tone light and fun, like the original show.
You can focus on character development. Instead of just having Kirby go on adventures, really explore his emotions, thoughts, and relationships with other characters. This will make the story more engaging.
One possible plot could be that Mario and Kirby's worlds are somehow merged due to a powerful villain's spell. They have to team up to find the source of the spell and break it. Along the way, Mario could use his jumping and power - up skills while Kirby uses his ability to copy enemies' powers. They might encounter challenges like a new type of Goomba that can fly like some of Kirby's foes.
One interesting concept could be the combination of Kirby's unique powers, like inhaling enemies and stealing their abilities, with the combat styles and semblances in RWBY. For example, Kirby might gain Ruby's speed semblance and use it in a creative way during battles in the RWBY world.
Dark Matter could be the main antagonist in this crossover. Dark Matter is a powerful and menacing force in Kirby's world. In the crossover, it could have somehow found a way to cross over into Sonic's world and is corrupting it. Sonic and Kirby have to find a way to stop Dark Matter from spreading further. Dark Matter tries to use Sonic's speed against him by creating dangerous obstacles in his path and Kirby has to use his various powers to help Sonic overcome these while also directly fighting Dark Matter.
One possible plot could be that an evil force is threatening both Kirby's and Sonic's worlds. They accidentally cross paths while investigating strange happenings. Kirby can use his ability to copy powers and Sonic can use his speed to explore different areas. Together, they combine their skills to defeat the common enemy. For example, Kirby might copy Sonic's speed ability for a short time, allowing him to quickly reach parts of the battlefield that Sonic couldn't access alone. And Sonic could use Kirby's star power to enhance his own attacks.