Well, Bellamy could be pregnant in a fanfiction where she is captured by an enemy group. The pregnancy then becomes a bargaining chip. She has to use her wits and strength to protect herself and the unborn baby. It could also be a story where the pregnancy is a result of some strange experiment in the post - apocalyptic world, and Bellamy has to find a way to reverse it or come to terms with it.
A great plot could be that Bellamy discovers she's pregnant and it causes a rift in her relationships. Some people in the group might see it as a liability, while others see it as a new beginning. Or perhaps there's a mystery around the pregnancy, like she doesn't know who the father is and has to figure it out while also protecting the unborn child from various threats.
She might develop a stronger sense of self - preservation. Since she has a life growing inside her, she'll do anything to protect it. This could lead to her learning new skills or forming new alliances. Also, she could become more patient as she has to deal with the physical and hormonal changes that come with pregnancy.
One plot idea could be that Bellamy and Echo have to go on a dangerous mission together in a post - apocalyptic world. They face many challenges and along the way, they start to understand each other's pasts better and their relationship deepens. For example, they might encounter a group of raiders and have to use their combined skills to fight them off.
There are fanfictions that focus on Bellamy's relationships, like a deep exploration of his friendship with Clarke. In some stories, their bond is tested in extreme situations and how they overcome it together. It gives a different perspective on their dynamic.
One plot twist could be that the pregnancy is actually a false alarm caused by some strange side - effect of the post - apocalyptic environment they are in. Clarke and Bellamy have already started making plans and getting excited, so this would be a huge letdown and cause some strain on their relationship.
One idea could be Ruby and Blake getting lost in a mysterious forest during a mission in Volume 5. They have to rely on each other's skills, Ruby's speed and Blake's stealth, to find their way out. Another could be that they discover a long - lost relic together and have to protect it from a group of Grimm.
One plot idea could be that Ruby, as a Faunus, has some unique abilities related to her Faunus nature that she and Blake discover together. They go on adventures to understand and control these abilities while also strengthening their relationship.
One idea could be a crossover adventure where Naruto and Blake team up to fight a common enemy that threatens both of their worlds. They could learn from each other's fighting styles, like Naruto showing Blake his Rasengan and Blake teaching Naruto some of her acrobatic and shadow - based combat moves.
One great 'Bellamy Blake fanfic' is 'Surviving Together'. It beautifully explores Bellamy's character growth. Another is 'In the Midst of Chaos' which has an interesting take on his relationships within the story's setting. And 'Bellamy's Redemption' is also a good read as it delves deep into his journey of self - discovery.
You can start by looking on fanfiction.net. It has a large collection of fan - created stories, and there are likely many dedicated to Bellamy Blake. Just use the search function and type in his name.
One idea could be exploring how Yugi's friends react to the news. Some might be shocked, while others could be extremely supportive. Another could be the challenges Yugi faces during the pregnancy, like dealing with morning sickness and hormonal changes.