A simple plot could be that Diego and Sid find a mysterious object in the ice. They both have different ideas about what it is and what to do with it. Their bickering and attempts to figure it out could be really fun to write about.
The plot could also be centered around Sid getting sick. Diego, who is usually tough and independent, is really worried about Sid. He goes to great lengths to find a cure, traveling to far - off places in the Ice Age landscape. This shows the depth of their friendship.
Perhaps in a fanfiction, Diego and Sid decide to teach some of the younger animals in the herd some important skills. Diego shows them how to hunt safely, while Sid teaches them about the importance of sharing and cooperation. Along the way, Diego and Sid have some friendly competitions between themselves, which adds some humor to the story.
One possible fanfiction could be about Diego and Sid going on a special adventure together. Maybe they get separated from the herd and have to rely on each other's unique skills to survive. Diego's hunting abilities and Sid's knowledge of different plants and hiding spots could combine to make for an exciting story.
In a fanfiction, their love might start with a misunderstanding. Diego mistakes Shira for an enemy at first sight. But as he gets closer to her, he realizes she's just a misunderstood creature. Shira, in turn, is initially wary of Diego. However, as they are both caught in a dangerous situation, like being trapped in a cave during an earthquake. They have to rely on each other to survive. This experience makes them see each other in a new light and their love begins to blossom.
Maybe the fanfiction could focus on how their relationship changes during the pregnancy. Diego becomes more tender and loving, and Shira becomes more dependent on him in some ways. They could also have some arguments about how to raise the cub. For instance, Diego might want to teach the cub to be a fierce hunter from the start, while Shira thinks it should first learn to be gentle and kind. These differences in opinion add some spice to the story while they are waiting for the new life to arrive.
One possible plot could be that Diego and Shira go on a journey to find a new place for their pack to settle. Along the way, they face various challenges like crossing a dangerous river and avoiding a group of hunters. They have to rely on each other's skills, with Diego's strength and Shira's agility. Their relationship deepens as they overcome these obstacles, and they end up leading their pack to a beautiful and safe new territory.
A fanfiction idea could involve Diego and Shira's relationship. They might have an argument over how to protect their group. Shira could think Diego is being too overprotective, while Diego believes Shira is taking too many risks. But in the end, they realize they both have the same goal and make up, strengthening their bond.
In a fanfiction, Diego and Shira could be on a mission to save a group of baby animals that got separated from their families during a big ice storm. Along their journey, they share their past experiences with each other. Diego tells Shira about his time with Manny and the others, and Shira opens up about her own struggles. This sharing brings them closer together.
There are many fanfictions that explore Diego's love in the Ice Age. Some might depict him falling in love with another character within the Ice Age group, like Sid's sister if he had one. It could be a story full of adventure and new challenges as they face the harsh ice age environment together.
Survival is also a big theme. Given the Ice Age setting, fanfictions often depict Diego using his hunting skills to ensure the group's survival. He might face new threats like harsher winters or more powerful predators.
One idea could be that Diego and Shira are transformed into humans by some magical force in the Ice Age world. They then have to learn how to live as humans while still retaining some of their animal instincts. For example, they might be really good at hunting in the wild as humans because of their past as saber - toothed tigers.
Another idea is that Diego falls for a female mammoth. It would be an unusual pairing given their different species. But in the world of fanfiction, anything is possible. Their relationship could be full of humor as they try to understand each other's different ways of life. For example, the mammoth might be used to a more family - oriented life while Diego is more of a solitary hunter.