Luna Lovegood's birthday was on the thirteenth of February.
He had known this since third year, which was when he had started keeping track of the dates that mattered — not systematically, not in the dark-covered notebook, but in the specific way that things you paid attention to accumulated into knowledge without being filed. He had known what he wanted to make since November, which was when he had asked Sable, in the kitchen after the group dinner, whether the castle's stores ran to the specific combination of ingredients the plan required.
Sable had looked at the list and said: 'Yes. Some of it will need ordering.'
'Order it,' he said. 'Please.'
The cake was three tiers — not tall, not architectural, but present, the kind of cake that communicated that someone had thought about it rather than produced it quickly. The bottom tier was pale blue, the colour of the sky in the illustrations Luna made in the margins of her notes. The middle tier was white with small silver details that the house elves had produced with the specific focused artistry of people who took their craft seriously and had been given an interesting problem. The top tier was the Crumple-Horned Snorkack.
This had required a conversation.
He had described it to Sable using Luna's descriptions, which were the only source material available: large as a large dog, blue-grey, horns that curled in a specific direction, general quality of something that was serene and slightly luminous. Sable had listened with the expression she wore when a challenge had arrived that she found professionally interesting and had said: 'Kreacher will help with the sculpting. He has done decorative work before.'
Kreacher, when consulted, had produced a small clay model from memory — the model was not a Crumple-Horned Snorkack, it was something from Black family iconography that shared some structural features, but the principle was clear. He and Sable had worked out the rest between them. The result was a small figure on the top tier that had the quality of something that might, in a certain light, be exactly what Luna had always described and might, in a different light, be something else entirely. Ron had looked at it and thought: she will like this. Not because it was a perfect representation of the thing she believed in but because it had been made with the specific care of people who had taken the believing seriously.
The unused classroom was the one on the third floor that caught the afternoon light — he had found it in second year and had been using it for Witness-related work when the Room of Requirements was occupied. He set it up in the afternoon: the table, the chairs, the fire, the cake in the centre. One chair was Luna's, which he had positioned at the end of the table nearest the window because she liked to look out at things while she was in rooms.
They came at seven — the inner group, the real group, the one that had been building since third year into something that was no longer a collection of individuals who trusted each other but a specific configuration of people who had become something together. Harry with Ginny, Neville with the slightly careful quality of someone who had asked someone to come somewhere and was still mildly surprised by the affirmative. Hannah Abbott had the quality of someone who was attending something she had not expected to be invited to and was finding it better than the uncertainty had suggested.
Luna arrived last, which was not because she was late but because Luna arrived when she arrived, in the specific way of someone who did not experience time as an instruction. She came through the door and saw the room and saw the people and saw the cake, and her expression did the thing it did very rarely — the thing where all the layers came down briefly, not the dreamy composure, not the particular quality of someone who was always slightly elsewhere, but simply Luna, looking at a room full of people who had arranged something because it was her birthday.
She looked at the top tier.
She looked at Ron.
'You made a Snorkack,' she said.
'The house elves made a Snorkack,' he said. 'I described it.'
She looked at the figure for a long moment with the specific quality of someone examining something they considered important. 'The horns are slightly too straight,' she said. 'But the general quality is correct.' She looked up. 'It's very correct.'
'Happy birthday, Luna,' he said.
She sat in her chair by the window. They ate cake. Fred — who had received an invitation without asking how it was that Fred had been invited to a birthday party in an unused classroom — produced something from his pocket that, when activated, filled the room with small floating lights that were not the same as candles and not the same as stars but had some of the quality of both. George looked at them with the expression of someone who had not been told about this part of the plan and was deciding whether to be annoyed or pleased and had landed on pleased.
Hannah Abbott, beside Neville, tried the cake and said: 'This is extraordinary,' which was the universal first response to things Ron made that he had noticed across four years and still found pleasing in the specific quiet way of things that were simply accurate.
Neville said, to no one in particular: 'I wrote to my parents.'
The table went quiet in the specific way that things people had been waiting to hear produced quiet.
'I told them about the group,' he said. 'Not the details. The shape of it. And about what January felt like.' He looked at his cake. 'My mother wrote back.'
He took the letter from his pocket. Not to read aloud — just to show that it existed, that it was there. The handwriting on the envelope was not the careful handwriting of someone who had recently learned to write again. It was fully formed, the specific handwriting of someone who had been writing for decades and had picked up exactly where they left off.
'She said they were proud,' Neville said. 'My dad added a line at the bottom.' He looked up. His expression had the quality it had in the Hall of Requirements when the ritual had completed — not the same occasion, but the same register: someone who had arrived at something they had believed was possible and found it real. 'He said: well done, son. That's all. Just: well done, son.'
The room was quiet for a moment.
Luna, at the window, looked at Neville with the specific expression she had for people she loved — the full attention, the particular quality of someone who was seeing rather than looking. 'That's the right thing to say,' she said.
'Yes,' Neville said. 'It is.'