AO3 is definitely the top choice. The tagging system there makes it simple to filter and find exactly what you're looking for. There are also some fanfiction communities on Tumblr where people might share or recommend 'commander lexa x reader' fanfictions. You can search for relevant tags or groups on Tumblr to discover some hidden gems.
One great 'commander lexa x reader fanfiction' is 'Lexa's Redemption'. It focuses on the reader helping Lexa overcome her past traumas. Another is 'In Lexa's Arms' which has a really sweet, slow - burn relationship. 'Lexa's Choice' is also popular, where the story is centered around Lexa having to make a difficult decision that involves the reader.
You can start by looking on popular fanfic websites like Archive of Our Own (AO3). It has a large collection of fanfics from various fandoms, including those about Commander Lexa. Another option is Fanfiction.net, which also has a good number of stories related to different shows and characters, so you might find some great Lexa fanfics there.
One interesting Commander Lexa fanfic could be about her leadership journey before the events in the show. It might explore how she rose to power, the challenges she faced within her own clan, and the relationships she had to build. Another could be a fanfic that focuses on her relationship with other key characters in an alternate universe, where different decisions were made and how that altered their dynamics.
A love story involving Commander Lexa could start with an outcast from another clan. This person was found on the outskirts of Lexa's territory. Lexa decided to take the outcast in out of curiosity. As the outcast learned the ways of Lexa's clan, they became closer to Lexa. They showed Lexa different perspectives on leadership and life that she had never considered before. Lexa was drawn to this new way of thinking. Their relationship grew from mutual respect to deep love as they faced various challenges together, like rival clans attacking and internal disputes within the clan.
In a Commander Lexa love story, trust is essential. Lexa has to trust her partner completely because she is in a position of great power and responsibility. Her love story may also involve sacrifice. For example, her partner might have to sacrifice personal desires for the good of Lexa's clan. And of course, passion is a key element. The intense environment Lexa lives in can fuel a passionate relationship. Their love could be a source of strength in the face of all the chaos and bloodshed around them.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). It has a large collection of 'the 100 lexa fanfiction' sorted by different categories such as genre, rating, and length. Another place could be FanFiction.net, which also has a decent amount of fan - created stories about Lexa from 'the 100'.
One great Lexa fanfiction could be those that explore her backstory before she became the Commander. For example, stories might delve into her early training and the relationships she had with other members of her clan.
In some fanfictions, the Clarke and Lexa kiss is described in great detail. The author might focus on the physical sensations, like the softness of their lips or the quickening of their heartbeats. It could also be set in a beautiful or significant location, such as on a cliff overlooking a post - apocalyptic landscape. This setting can add to the overall mood of the moment and make the kiss seem even more powerful and meaningful.
Fanfiction.net also has a good selection of Clarke and Lexa fanfiction. However, the site's interface can be a bit more difficult to navigate compared to AO3. But with some patience, you can still find some really well - written stories.
Some interesting lexa and clarke fanfictions are 'The Lost Years'. It fills in the gaps of the time when they were apart. 'Love Beyond Boundaries' is about how their love overcomes all kinds of boundaries, be it political or cultural. Also, 'Healing Hearts' is a great read as it focuses on how they heal each other's emotional wounds.