You can start by visiting popular fanfiction websites like Archive of Our Own (AO3). Just type 'dean castiel slash' in the search bar, and it will show you a whole list of relevant stories.
One popular story could be 'The Bond Beyond Worlds'. It delves into a deeper connection between Dean and Castiel, exploring their relationship in a post - apocalyptic setting. The story is known for its intense emotional scenes.
In dean - castiel relationship in such fanfiction, there's often a deep emotional connection. They might show a side of extreme vulnerability towards each other. Their relationship can be intense, with a lot of passion and a sense of 'destined to be together' kind of feeling.
Another excellent fanfiction is 'Heaven's Gatekeepers'. This one plays with the idea of their roles in the grand scheme of things in the Supernatural universe. It has a great plot that weaves in and out of canon events, and the way it portrays Dean and Castiel's connection is both unique and captivating.
One great aspect of Castiel and Dean in fanfiction is their dynamic. Their relationship, which is complex in the show, can be explored even further in fanfictions. Writers often delve into their unspoken bond, creating scenarios where they support each other in ways not shown in the original series. For example, some fanfictions might have them going on a road trip together just for the sake of exploring new places and having deep conversations about their pasts and futures.
There's also 'Wings and Hunters'. This one is unique as it focuses on a different aspect of their relationship, almost like a what - if scenario. It imagines a world where their connection is tested in ways that are both exciting and heart - wrenching. The story has a great flow and the descriptions are vivid.
There's also 'Dean, Castiel and Baby: A New Bond'. This fanfiction focuses on how Castiel, in his new 'baby' form, starts to understand human emotions better through his interactions with Dean. It has a unique take on their relationship and is quite engaging.
Well, 'The Road Less Traveled' is a popular 'Supernatural Dean and Castiel fanfiction'. It's set in a post - apocalyptic world where they have to rely on each other more than ever. It has great character development and some really intense scenes. There's also 'Soulmates in the Shadows' which plays with the idea of them being soulmates in a unique way.
Well, 'A Different Kind of Bond' is also a wonderful piece. It focuses on the emotional connection between the two characters. The story takes its time to build up their relationship, showing their growth and how they come to rely on each other more and more in the face of the supernatural threats.
A common aspect in such fanfiction could be the build - up of emotions. Dean and Castiel have a complex relationship throughout the series. Their first kiss might be a culmination of unspoken feelings, perhaps after a dangerous situation where they realize their true feelings for each other. It could also be a moment of great vulnerability for both characters, as they break through the barriers of their friendship or comradeship.