Disclaimer: I own zero of this sadly, this was all JRR Tolkien (with some movie-verse thrown in so Peter Jackson etc.)
Kíli lay on the battlefield, tears streaming down his face. The searing pain coming from his chest stung terribly, and he could feel the blood pouring from the wound on his head, mixing with the tears on his left temple. Oh, Mahal, it hurt so much. The only time he'd ever felt such pain was when he had been shot by the orc. At least, then, Fíli had been there; all he wanted right now was his big brother to make everything better.
But Fíli was nowhere to be seen; he was not there to ease his brother's pain. Fíli was always there, right at Kíli's side- always. Nothing could separate them.
When the mountain had split them apart and they had thought half their company dead, Kíli had been terrified that his brother was truly dead and gone. That night in the cave had spawned some of the worst nightmares Kíli had ever had: Fíli crushed by the mountain, forcing Kíli to return home alone. He had woken, chest heaving, heart pounding, with Fíli's warm arms around him stroking his hair while he sobbed into his brother's chest. Fíli had whispered soothing words: promises he would never leave his brother again, and reassurances he was truly alive. Kíli had pressed his hand against Fíli's chest, calming once he found the strong, constant heartbeat.
Esgaroth had brought pain for Kíli from the arrow wound. Halfway through Thorin's speech, Kíli had nearly blacked out, and he would have fallen down on the spot if his brother hadn't grabbed a hold of him, keeping him upright. The pain had worsened overnight, giving Kíli little sleep. As soon as Kíli started shivering, Fíli had given him his blanket, insisting it wasn't cold and his little brother needed it more, despite the snow outside. The little sleep Kíli got was curled up for warmth next to his brother, who, unbeknownst to Kíli, did not sleep at all.
Now, Kíli called out for his brother, begging him to help, to take away the pain. He knew he sounded like a dwarfling, but he didn't care anymore. Fíli would never abandon Kíli, he had promised, back in the cave, to never leave his brother again. But now, as Kíli lay dying, it was the first time Fíli had ignored his brother.
As it was, the grisly corpse of Fíli, son of Dís, lay just out of sight of his little brother, Kíli's pleas falling on dead ears.
A/N Hello! I can't stop writing these, they're just my favourite stories, but this one's got more happiness and brotherly love! Even though it's much shorter.
Thanks to my friend Sophie who proofread this! I suppose this was sorta written for my other friend Maggie, as payment for the constant chatter in Chemistry. See, it was all worth it! Look what you got out of it!