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Voltron Headcanons and AUs

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Keith is sent to assassinate Prince Lance during his coronation by Lotor. Lotor wants Lance to be killed because Altea is Daibazaals biggest obstacle in their attempts to conquer the south. Keith has been Lotor’s slave/assassin for years, since the death of his father, and he absolutely hates it. However, he can’t escape because Lotor always hunts him down (it has happened before and it did not end pretty for Keith). To make things worse, Acxa is Keith’s sister and is loyal to Lotor and will not leave him. So, Keith is basically stuck between a rock and a hard place.

Now, for this mission, Keith gets to leave Daibazaal and go to Altea (whoopdiedoo). He takes the identity of Yorak, the actual bodyguard on his way to guard Lance, and makes his way towards the palace. Upon entering, this child gets whiplash because of how different this palace is from Lotor’s. The difference is night and day. Lotor’s palace is silent due to everyone being terrified of their slightly insane and murderous ruler. In this castle, however, there is constant activity and the palace is full of people. Just making his across the courtyard, Keith is almost trampled by people running around and doing their duties.

At the gate, he identifies himself to the guards and Shiro, the captain of the guard, takes Keith to the throne room. Shiro is so friendly and outgoing when compared to the guards at Daibazaal poor Keith has no idea how to respond. He has been treated as Lotor’s pet for so long he is taken aback when treated like an actual human being. Walking into the throne room, he sees a young man with the most stunning blue eyes sitting on the throne and Keith is speechless. Shiro introduces him as Prince Lance of Altea and Keith is shook af because nobody told him the soon to be king was this hot.

From day one, Lance treats Keith as an equal and Keith, bless his heart, barely knows how to act. As the weeks go by, Keith slowly opens up to Lance and lets loose around him. The first time Lance sees Keith laugh, he trips over his own feet and almost topples down a flight of stairs. They grow closer and go on walks through the garden together each pining their heart out while the other remains oblivious.

Pidge, the royal scribe, and Hunk, the head chef, have a bet going with the rest of the staff about when one will break and confess to the other. Shiro gave them a six months while Pidge said they will break in three. Hunk, bless his optimistic little heart, gave them a month before they confess. In the end, Coran, the royal advisor, won the bet because he said they would snap in two weeks (how he had the details down to the time of day no one knew).

A week before Lance’s coronation, Lance and Keith go to the roof to stargaze. Keith tells Lance stories about the constellations that were told to him by his father as a child. Lance is so hopelessly in love with the Keith and he can’t hold back a dopey grin as he watches him animatedly talk about the stars. keith turns to Lance and is struck by the expression on his face. They lean forward and FINALLY kiss. They boys confess and are even more inseparable than ever. However, Keith’s mission is still ongoing and he didn’t know what to do.

Keith already resolved that he would not kill Lance but he knows that even if he doesn’t, others have been sent to kill him and finish the job on the off-chance that he fails. So, he resolved to tell Lance about what he has been sent to do the day before the coronation. But Keith’s luck turned to shit the day his mother left him as a baby and the real Yorak’s body is found by the Altean guard near the Daibazaal border.

He is taken to the dungeon on his way to Lance’s chambers and the whole time he is begging a stony faced Shiro to hear him out. Lance is devastated by the news and even more so by the fact that he thought Keith played him this whole time. In his jail cell, Keith tells the guards that Lance is going to be targeted at his coronation and begs them to let him talk to Lance face to face one time but they ignore him. Luckily for Keith, his interrogation has been pushed back until after the coronation. Unluckily for him, Lance, Shiro, Hunk, and Pidge are all so busy with preparations that they don’t visit him.

The day of the coronation comes and Keith is desperate to get out and prevent Lance from being killed. Coran, bless his gorgeous mustache, had ears in many places and knew that imprisoning Keith did not get Lance out of danger. He went down to the dungeons an hour before the coronation and has a chat with Keith. Unbeknownst to the guards, he dropped off Keith’s blade and a lock pick, telling him to keep Lance safe.

James, Keith’s guard at that time, was an asshole and entered his cell to rough him up a bit. However, Keith had a weapon and a plan and he knocked James out with the pommel of his blade and took the key. The coronation was well under way at this point and Keith was booking it to the throne room and knocking out guards as fast as he could.

Busting into the throne room, he barely noticed everyone’s gasps at his banged up appearance as he saw glint of metal in the rafters. He sprinted towards Lance (where the fuck are the guards rn lol) and threw himself over him right as an arrow was fired towards Lance’s heart. The guards (finally) led by Shiro swarmed toward the two of them but stopped dead as they saw the arrow embedded in Keith’s back. Shiro barked orders for his guards to search the rafters for whoever fired the arrow. Lance himself was in tears as Keith bled out in his arms.

Lance sobbed and asked, “Why?” Keith lifted a hand to brush Lance’s tears gave him a wan smile before choking out, “I was sent here to kill you but I fell in love with you instead” Keith had so much to say but his consciousness was waning and his last thought before going limp in Lance’s arms was, 'You are the sun, and I could not deprive the world of your warmth.'

-------------------So I would be a bit of a bitch if I ended it like this so here’s an alternate happy ending below!!!--------------------

After passing out in Lance’s arms, Keith was taken to the infirmary and treated for his wounds. He had broken ribs, a concussion, and had a lot of cuts from fighting his way to Lance so the fact that he made it to the throne room was a miracle in itself. The arrow to the back was the straw to break the camels back and the royal physicians didn’t think he would make it. It was touch and go for a bit but eventually Keith was stabilized.

When he woke up, the first thing Lance did was punch him and tell him that if he ever scared Lance like that again, Lance would kill him. The boys had a sit-down and Keith explained the whole situation to Lance. At this point, nobody could really doubt his loyalty to the newly Crowned king so he was off the hook. Klance lived happily ever after!!!