One common theme could be the challenges of parenting. Since it's about Emmet and Lucy with a baby, they might face difficulties in taking care of the child, like sleepless nights or dealing with a fussy baby.
Finding good Emmet and Lucy baby fanfiction can be a bit of a hunt. Another option is to join fanfiction communities or forums related to the source material that Emmet and Lucy are from. You can ask other fans if they know of any such fanfictions. They might be able to point you in the right direction, and you could also discover some other great fan-created content along the way.
Her best friend could be important. The friend might offer emotional support, babysit sometimes, or give Lucy some parenting tips that she learned from her own family.
I'm not sure specifically as I haven't read that particular 'lucy finds a baby fanfiction'. It could be about a character named Lucy who discovers a baby in a story that is fan - created. Maybe it's in a fictional world where she stumbles upon an unexpected baby and then various adventures or emotions unfold from there.
Lucy could face the challenge of understanding the dragon's language or its needs. Since it's a baby, it can't communicate clearly. And if the dragon is from a different part of the magical world, it might have needs that Lucy has never encountered before. For example, it might need a certain type of magical environment to thrive. So, Lucy has to either create that environment or find a place that already has it. This would involve a lot of research and exploration in the magical world she lives in.
Erza could also be a main character. Given her strong and motherly side, she would probably take on the role of taking good care of baby Lucy. She might be strict about following a routine for baby Lucy's care. Happy, the flying cat, could be another important character. He could use his unique abilities to search for clues on how to turn Lucy back to normal.
In Pokemon Ingo and Emmet fanfiction, one common theme is their relationship with Pokemon. They are known for their expertise in handling various Pokemon. Fanfiction authors may come up with scenarios where they encounter rare Pokemon or have to deal with Pokemon that are difficult to train. These stories add new dimensions to their characters.
Rittenhouse could be antagonists. They might see the baby as a tool or a threat to their plans for controlling time. They could try to kidnap the baby to use its potential powers for their own evil purposes.
Often, love and relationship development is a big theme. It might show how their relationship evolves with the addition of a baby. Also, there could be themes of protection. Lucy and Sting protecting their baby from various threats in the fictional world they are in. This could be threats from villains or just the general challenges of raising a child in that world.
Maybe it could be about Lucy's journey in raising the baby, like all the challenges she faces, from sleepless nights to learning how to feed the baby properly.