One great 'eric and tris no war fanfiction' might be the one where they form an unlikely alliance to reform their society's rules in a peaceful way. They start by having secret meetings and gradually gain support from others who are also tired of the war.
Fanfiction.net is also a good place to look. There are many authors who write about different scenarios for various characters. Just make sure to use the correct search terms. Sometimes, adding more details like the name of the series they are from can help narrow down the search results to find the 'eric and tris no war' fanfictions.
There's also 'Eric and Tris: An Alternate Path' which presents an alternate universe for them. In this fanfiction, they face different challenges together and their bond forms in a more complex and interesting way compared to the canon story.
One common theme is the exploration of their relationship dynamics. Since they have a complex relationship in the original work, fanfictions often dig deeper into how they interact, whether it's as friends, rivals or something more.
One common theme could be power struggle. Given their characters, there might be stories exploring who has more power between them.
There's also 'Eric and Tris: Blood Bond'. In this fanfiction, the author creates a unique vampire world. Tris is a human who gets caught up in the vampire politics because of her connection to Eric. It's a long read but worth it as it delves deep into their characters and the vampire society they are a part of.
Well, 'Hidden Feelings: Eric x Tris' is also great. It explores the idea that Eric and Tris have hidden feelings for each other that they are reluctant to admit. The author does a wonderful job of building up the tension between them and gradually revealing their true emotions through various events in the story.
Well, I'm not sure of specific 'eric and tris pregnant fanfiction' stories off the top of my head. But you could try searching on fanfiction - dedicated websites. They usually have a wide range of stories based on different themes, and you might find some there.
Well, I know that some fanfiction platforms have a tagging system. Check those tags for 'tris and eric' and explore the ones that seem interesting. Sometimes, you might find hidden gems that way.
Another theme could be the idea of forbidden love. If there are certain circumstances in the original story that make their relationship difficult or against the rules, this can be a popular theme in the fanfiction. Writers can then explore how they deal with this forbidden aspect, like sneaking around or fighting against the system for their love.
A theme that can't be ignored is the transformation. Sometimes Tris undergoes a transformation, either physically or in terms of her understanding of the world. It could be that she becomes more like a vampire or gains a new perspective on life. And the overarching theme of good vs. evil, with Eric and Tris often on the side of good, fighting against the more malevolent vampires or entities in the fanfiction.