Some Tumblr blogs are dedicated to sharing and promoting fanfictions. You can search for relevant tags such as '#galra keith x lance fanfiction' on Tumblr. You might discover some hidden gems that are not as easily found on the larger fanfiction platforms.
One good one might be 'The Bond Beyond Stars' which explores the unique relationship between Galra Keith and Lance in a really interesting way. It delves deep into their characters and how they interact with each other.
One popular 'galra shiro x keith fanfiction' story could be about their adventures together in a post - war universe. They might have to face remnants of the Galra empire while also dealing with their growing relationship.
One great Lance x Keith x Shiro fanfiction is 'The Bond Beyond Stars'. It beautifully explores their relationships and how they grow together. The characterizations are on point, and the story has a great balance of action and emotional moments.
Another way is to join fan communities dedicated to the relevant fandom. Ask other fans for their recommendations on good 'galra shiro x keith fanfiction'. They might point you to some hidden gems that you wouldn't find through a simple search. You can also follow some well - known fanfiction authors in the fandom, as they may have written some great stories in this pairing.
A major theme is the idea of acceptance. Lance and Keith are very different characters. In these fanfics, they come to accept each other's flaws and strengths. There are also themes related to sacrifice. Sometimes one of them is willing to sacrifice for the other, which really shows the depth of their relationship in these fictional stories.
One common theme is friendship. Since they are all comrades, many fics explore how their friendship deepens and overcomes challenges. Another theme is loyalty. They are loyal to each other in the original series, and fics often expand on this loyalty in different situations. Growth is also a theme, as they develop both as individuals and as a group within the fanfics.
One common theme is friendship. Even though there might be romantic undertones, the foundation of their relationship is often their strong friendship. They rely on each other in battles and in dealing with the politics within the Voltron universe.
The 'hurt/comfort' theme is also common. This could be where one of them gets injured or is in an emotional distress and the other is there to comfort and support, which then deepens their relationship. For example, if Lance gets hurt during a battle and Keith takes care of him. It's a great way to show their growing bond.
You can find Keith x Lance fanfiction on Archive of Our Own (AO3). It has a vast collection of fanfics in this category. Fanfiction.net is also a good place to look. There are many dedicated writers who post their works there.