Remus wasn't sure if it was actually night, or if it was just an effect of all the spells shooting all around him that made the sky look pitch black. He couldn't even remember how long he'd been standing there, shooting spells at almost everything that moved. His beautiful wife stood behind him, preventing any Death Eaters from creeping up behind him, and he did the same. Spells were screamed, bricks fell and all the while Remus Lupin could not hear a single thing except his promise to his son that he would try to return home. It felt like years ago now, eons even since he had whispered that promise into the ear of his baby son who now lay safe and sound asleep in his crib. He could hear Nymphadora yelling a disarming spell at someone behind him, and although he'd never admit it, he was glad she was there. Glad she was doing what she wanted, glad they had each other's backs, just like old times, glad she was there, fighting next to him, fighting for what was right. Smiling seemed a bit ridiculous at this point, with Death Eaters streaming from corridors everywhere, but he felt it coming anyway, grinning crazily as he thought of Tonks making faces, his son gurgling happily, them all together when Teddy had just been born. It filled him up, right from his toes to the very tip of his head, swirling and expanding until he was sure he was going to burst. They would be together again, he knew it.
Remus Lupin felt the spell hit him before he had actually registered that Dolohov had cast it. He felt the force of hit him full in the chest, the burning sensation spreading through his veins. He heard the grief-stricken screams of his loving wife who, without a second thought, killed Dolohov and knelt beside her husband, asking, no, praying for him to wake up. And he wanted to. So, so badly. All he wanted was to stand up and tell her it would be alright, that he loved her and that they could go home alive. No such will came, and as he felt his life seeping into the cold stone beneath him, he knew that it was time.
"Padfoot, Prongs," he thought, "I'm coming home."