Mallory didn't ask him to come inside.
She just left the front door open after unlocking it and disappeared upstairs without a word, her boots already unlaced by the time she hit the top step.
Crowley lingered in the entryway, shrugging out of his coat slowly. He hadn't been invited in - not exactly. But the door had stayed open, and she hadn't looked back. Maybe she meant to leave it that way.
Maybe she didn't care.
Still, he hesitated.
He wasn't good at this part - whatever this was. But the Codex had pulsed again in the car. And Mallory's silence hadn't felt like dismissal. It felt like an aftermath.
The air inside the flat was cool and clean, scented faintly with paper and dust and old wood - somehow older than the building itself.
He followed her.
The flat was small, tucked above a shuttered antique restoration shop. One long room with heavy floorboards, tall windows, and a fireplace that looked more decorative than functional. The desk in the corner was strewn with parchment and brushes and neatly labeled sample s -her workspace, clearly sacred. The steel case sat in the center, locked. Waiting.
She was by the sink, rinsing her hands. She hadn't said a word since they left the ruined monastery. Her shoulders were drawn tight, as if she'd been holding her breath since the chapel collapsed.
Crowley didn't break the silence, didn't ask if she was alright. He just pulled a chair back from the table and sat.
Mallory moved slowly, like she didn't know what her body was supposed to do now that they were back in relative safety. Eventually, she grabbed a clean glass and filled it, drinking in small sips like she wasn't convinced it was water.
She wasn't sure what unsettled her more - that he followed her inside without asking, or that she didn't mind.
"Do you think it's going to get worse?" she asked, not looking at him.
Crowley didn't lie. "Yes."
Mallory set the glass down carefully. "That's what I thought."
He watched her from across the room, sunglasses still on, the line of his shoulders sharp against the chairback.
"You've done this before," she said. "Helped someone. Someone with… something like this."
"No," he said quietly. "Not like this."
She turned, brows lifting. "So why are you helping me?"
He considered that for a moment. Then shrugged. "Because no one else is."
"That's it?"
"That's enough."
She studied him for a long moment, the silence stretching. Then, Mallory moved to the desk, unlocking the steel case with a practiced flick of the wrist. She didn't open it - just looked at it. Like checking to see if it was still asleep.
Crowley stood.
Mallory didn't turn around. "You're leaving?"
He looked at her carefully. Her spine was straight, but her hands were trembling slightly.
"No."
That gave her pause. She turned her head slightly.
"I'll stay," he said, almost offhand. "Not forever. Just while it's active. You're not safe alone."
"Safe?" she said dryly.
He ignored her question as he moved toward the armchair near the fireplace. "I'll take this one. Don't offer me the couch. It's too domestic."
She didn't. She only nodded.
He slouched into the chair, long legs kicked out, arms folded across his chest like he was preparing for battle or sleep, maybe both.
"Can I ask a question?" she asked after a pause.
"What do you want to know?"
"You said that Heaven and Hell are interested in this manuscript. Why don't you tell them about its whereabouts?"
He glanced at her. "Because they'd turn you into a weapon. Or a footnote."
She blinked.
"And because," he added, "I don't like being told what to do."
He pulled a book off the side table - one of hers. A slim volume on marginalia analysis from the 1700s. He flipped through it idly.
"Humans are such neurotic little scribes," he muttered. "Can't leave a single page uncommented."
Mallory moved toward her bed, but paused.
She crossed the room instead, quietly, to where Crowley sat flipping through her book. She stood near him, not looming, just watching until he looked up.
"What are you?" she asked.
Crowley's hand stilled on the page. He didn't look away.
"That's a complicated question."
"I don't need complicated," she said. "I need true."
He closed the book, resting it in his lap. "Something old. Something tired. Something trying not to make this worse."
"That's not an answer."
"It's the one I've got."
They stood in stillness for a breath. Then she turned away, grabbing nightclothes from beneath her pillow and making a beeline for the tiny bathroom. When she reemerged, she found the stranger had not moved and was still reading the book in his hands.
As she climbed into her bed, pulling the blanket around her like armour, she paused.
"If you get tired, there's a blanket in the drawer."
Crowley didn't look up. "I don't sleep."
She smirked faintly. "That's not what I said."
She turned out the light without waiting for a response, leaving just the lamp next to Crowley illuminating the space. The room fell quiet.
Crowley didn't sleep. He sat with the book open in his lap, not reading, just watching the shadows shift. The Codex stayed still in its case, but the air pulsed faintly around it, like it was breathing. Like it knew it was being watched… and liked it.
Crowley left just after dawn.
The city beyond the window was still half-asleep, painted in the soft greys of morning fog. The flat was quiet, the kind of silence that existed only before alarms went off and traffic began its usual rituals. For a moment, Crowley just stood by the door, coat in hand, watching Mallory sleep.
She was curled beneath the blanket, her dark hair tucked against her cheek, breath rising and falling in the steady rhythm of someone finally resting. She hadn't stirred all night, not even when the Codex pulsed once, quietly, from its steel case across the room.
He hadn't slept either. Not that he usually did. But this time, it was different. The book felt alive, its hum subtle, like it was dreaming in its box. And Mallory had looked so still, it unsettled him more than if she'd been thrashing in a nightmare.
He adjusted the collar of his coat, slipped his keys into his pocket, and left without a sound, the door clicking shut behind him.
By the time he reached Soho, the city had begun to stir; early dog walkers, bleary-eyed shop owners rolling up metal grates, buses hissing at red lights. The pavement gleamed from a light rain that hadn't lasted, and the air tasted vaguely of petrol and burnt toast.
Aziraphale's bookshop stood just as it always did. Crooked in the bones, dignified in spirit, and smug in its refusal to open before ten. Crowley didn't knock. He pushed open the door and let the warm scent of old paper and bergamot tea wrap around him.
Aziraphale looked up from behind the counter, where he was excitedly flipping through the pages on an extremely old, battered atlas. His eyebrows rose.
"Crowley. You're early."
"Didn't sleep," Crowley muttered, shrugging off his coat and flinging it over the nearest armchair. He prowled to the window, arms folded.
"You don't sleep," Aziraphale said gently.
Crowley ignored that. "We went to the monastery. She saw the seal."
There was a pause.
"She saw it," Crowley repeated, voice lower now. "Really saw it. The mural cracked. I think it recognised her. The Codex... it's not just bound to her. It's paying attention."
Aziraphale closed the atlas and set it aside. His tone was cautious. "Is she alright?"
Crowley gave a short, almost bitter laugh. "Depends what you mean by that."
"Physically."
"She's fine."
A pause.
"And otherwise?" Aziraphale asked, more gently.
Crowley hesitated, then moved toward the fireplace, leaning one arm on the mantle. "I'm staying close."
"You're staying with her?"
He didn't answer right away.
"She's not safe on her own," he said finally, evasive. "The Codex is moving. I'm not about to leave it unmonitored."
Aziraphale watched him carefully. "That wasn't quite what I asked."
Crowley rubbed at the back of his neck. "She's holding herself together, but this thing… it's trying to draw her in. It's subtle. Quiet. And she hasn't fully grasped what's happening. Doesn't even know how far it's already gotten."
"Does she trust you?"
"I don't think she trusts easily, but she lets me in." His jaw flexed slightly. "That's close enough."
Aziraphale stepped around the counter, concern softening his voice. "Crowley, I know you care about her…"
"I care that she doesn't get ripped apart by something older than either of us," he snapped, but there wasn't heat behind it. Just exhaustion. "She's smart. Braver than she should be. And she's handling all of this better than I expected."
Aziraphale nodded slowly. "But the seal responding to her… it means the Codex sees her as a vessel."
"Yeah," Crowley muttered. "Or worse, as a key."
They stood in silence for a moment, surrounded by old books, ticking clocks, and the faint creak of ancient wood settling. Then Aziraphale turned toward the back room.
"There's something I want to show you. I found a name."
Crowley's head lifted slightly.
"The last person to read from the Codex. The one who survived."
He followed without a word.