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A Desperate Proposal

Summary:

A threat has been brewing in the Shadow World: silent, insidious, deadly.

When the Shadowhunters and the Downworld finally acknowledge the danger their world is in, they come to a desperate arrangement, proposing a series of marriage alliances that will unify their peoples. The Downworld and the Shadowhunters must rely on each other to find and eliminate who, or what, is killing them before it is too late.

Jace Lightwood and Simon Lewis will be at the forefront of that battle, whether they like it or not.

Notes:

This fic is part of a series, of which this is Part 1.

Each part will have five chapters and can stand alone, although they will obviously fit better as one complete story.

Parts 2 and 3 are outlined but still being written and there might be a slight delay between Part 1 and the rest. However, please rest assured that the trilogy will completed!

This fic was created for the Shadowhunters Mini Bang 2021: Presented by the Malec Discord Server

Artwork: Skylar102
Beta: AceOnIce
Essential Story Help and Cheerleading: Cor321

You are all amazing and I could not have done this without you. Can't wait to keep collaborating!

Chapter Text

“Have you gone absolutely insane, Alec? What the fuck is this shit?

Jace had barely even entered Alec’s office before he started yelling, waving the crumpled, fine linen paper bearing the official Seal of the Clave around wildly. 

Alec sighed and leaned back in his chair, lifting his hands to scrub at his face. Sounding absolutely exhausted, he said, “Ah. Jace. I see you got the memo.” 

Jace could feel himself going redder. “Yes, Alec, let’s start with the fact that I found out that I was getting married in a fucking memo! Are you shitting me right now? A memo? What, were you too scared to tell me in person? You had to write it on fucking Clave stationary? This is a joke, right? It’s got to be a joke. What the fuck is going on?” 

The room was quiet for a solid minute, apart from Jace’s furious panting breaths. When Alec still didn’t say anything he lowered the (goddamn) memo and finally looked at his parabatai. Alec’s head was resting on the back of the ornate chair, the very same one that six Heads of the New York Institute had sat in over the course of the last two hundred years, and he was staring blankly into space. There were deep purple bruises under his eyes and permanent frown lines had been carved into his brow and mouth that had slipped Jace’s notice until now. 

Jace’s anger suddenly cooled, and he dropped heavily into the chair in front of Alec’s monstrous desk. Which he now saw was practically buried under paperwork. He said quietly, “Alec, what the hell is going on?”

Alec still didn’t meet his eyes. “How many Shadowhunters have we lost in the last year, Jace? Do you know?”

Jace shifted uncomfortably, not wanting to be reminded of the funerals that somehow had become a normal part of their lives. “I dunno, maybe ten? Why? Demons get lucky sometimes and we die. What does that have to do with me getting married?” Although now Jace was trying to think about when that had happened, when it had become normal to have this many funerals. It hadn’t been like that when they were younger. Right? He was pulled from his thoughts when Alec spoke again. 

“Twelve. We’ve lost twelve Shadowhunters in New York alone, just last year. That’s one a month. And some of the other Institutes have been hit worse. We’re dying, Jace, at an alarming rate.” There was a depth of grief in Alec’s voice that Jace couldn’t understand, more than just the normal loss that all Shadowhunters felt when one of their own died, and he found himself pressing a hand over his parabatai rune, feeling an echo of it deep inside him. 

Alec gestured at the mess on the table in front of him. “Do you know what I’ve been doing the last few weeks? I’ve been combing the archives to see if something like this has happened in the past. I’ve asked Magnus to search his Downworld scrolls to check and the answer is no. The Shadowhunter population has stayed almost completely stable for centuries, regardless of wars or anything else. Something new is going on. Something is killing us off, bit by bit.”

Jace was dumbfounded. “And your solution is to fucking marry me off? To a vampire? In what world does that make any kind of fucking sense?”

“You’re not the only one getting married, Jace. The Clave has ordered a series of marriages to create an alliance with the more prominent groups of Downworlders— warlocks, Seelies, werewolves, and vampires. Izzy, mom, and I are all getting married to Downworlders the same day you are.”

Jace’s head was pounding. “ What? The Clave wants all of us to marry Downworlders? Who are you marrying? Who is Izzy marrying? Why are any of us getting married at all?” His voice was getting slightly hysterical but Jace didn’t think he could be blamed for it. Nothing made sense. 

We are dying, Jace. Something is going on and we need other people to help us stop it and the Downworld is our best option. At this rate, we can’t keep the demon world in check and figure out why we keep getting killed with the number of Shadowhunters we have. We need allies. We need more people on patrol. We need the knowledge the Downworld has that we’ve been ignoring for centuries because of our own stupid prejudices.

“So Izzy’s going to marry a Seelie, I’m marrying a warlock, Mom is marrying a werewolf, and you’re marrying a vampire. This is happening.” Alec’s words were hard and firm.

Jace was reeling and he couldn’t figure out what to comment on first. He fell back to repeating his earlier question. “Who are you marrying? Who is Izzy marrying?” Jace’s eyes widened as he realized that he’d missed something in Alec’s deluge of information. “Wait, who is Maryse marrying?” 

“Izzy is marrying Meliorn, he’s one of the Seelie Queen’s knights.” Jace saw Alec take a deep breath. “I’m marrying Magnus,” Jace started to puff up and Alec spoke louder, “the High Warlock of Brooklyn and the inventor of the Portal. Mom is marrying Luke, the Beta of the New York pack.” 

The knot of rage in Jace's throat was now so large he could barely speak. "So you get to marry your boyfriend and Izzy gets to marry someone she knows and likes and has been sleeping with for six months already, Mom gets to marry her ‘one that got away,’ and I get to marry a stranger. A random-ass vampire. Do I have it right, Alec? Anything I’m missing?”

He watched Alec swallow. Jace was in complete disbelief. “I am missing something, aren’t I. Holy shit, Alec, what else? Is there something I should know about this vampire? Do you even know her name? Anything about her?” Jace could hear himself shouting but didn’t care. 

Alec seemed to shrink down into himself, shoulders curling in for a long moment before he stood up and came around the desk to stand in front of Jace. He straightened into an open battle stance, centered on the balls of his feet and braced for anything. Jace stared up at him. There was an ugly sense of foreboding in his gut. 

Alec's voice was even, no inflection whatsoever, and he was looking past Jace’s head to the far wall. "There tend to be more male vampires than female. I told the Clan that you were bisexual. I don't know if you’re marrying a man or a woman." 

Jace's fist had broken Alec's nose before he had even registered that he'd moved. Alec's head snapped back and blood started to pour out immediately. He’d made no move to defend himself, just rolled with the punch, hands hanging loose at his sides. 

Jace could hear the breath sawing in and out of his lungs and his hand was throbbing in time with the heartbeat thundering in his ears. He looked at his parabatai and saw the acknowledgement of betrayal in Alec’s eyes. And regret and resignation and about five other emotions Jace couldn't identify. 

Alec stood there, unmoving, and the blood slowly dripped down his face as they stared at each other. 

Jace's voice was a croak when he finally spoke. "Is it really that bad?" 

Alec's voice was nasal and choked and he had to clear his throat several times before he could speak. "Magnus and I estimate that all the Shadowhunters in the world will be dead in three years if we don't do something. Maybe less." 

Jace staggered back, moving far away from Alec until he hit the wall of the office.  He slid down until his ass was on the floor. He buried his fingers in his hair and blindly looked at the carpet in front of him. 

He heard Alec sigh and move back around his desk, rattling drawers until he found a handkerchief. Jace watched as Alec put it over his face and set his nose with a crack and a grunt. He made a cursory wipe at the blood and then dropped the handkerchief in the trash bin.

Jace let his head fall back against the wall as Alec walked over and settled down on the floor next to him. They breathed for a few more minutes before Jace spoke. "How could this happen? How come no one has noticed that we're all fucking dying? What the hell, Alec.”

Alec sighed and Jace watched as Alec let his long legs stretch out on the floor before glancing over at him. His voice was tired. “Magnus thinks that there’s some powerful magic going on, some kind of worldwide glamour that makes us, just, look away? Just accept what’s happening and not think about it. Like you did. By the Angel, Jace, you thought that ten Shadowhunters had died last year and you said it like it was no big deal! And in reality it was twelve. One every damn month. There are only a few hundred Shadowhunters at the Institute in the first place. And it’s getting worse. Only six died two years ago.” He huffed out a breath. “Only six.” 

Jace shifted, uncomfortable with the idea that he was under some sort of glamour and didn’t know it. “So how did you notice it?”

Alec’s laugh startled them both. He cut an amused glance at Jace and said, “Magnus says it’s because I’m a workaholic with a giant hard-on for paperwork.” Jace grinned and Alec smirked back before sobering. “Although he’s not really wrong. Do you know how much funerals cost, Jace? It’s a lot. And suddenly the Institute was slowly going broke and I couldn’t figure out why. And then once I started connecting the dots, it was like a veil lifted and everything was clear. Ask Magnus; I freaked out on him pretty badly when I figured it out. He started investigating too and then we reached out to the other Institutes to see if it was just us. It wasn’t. 

“They didn’t actually believe us, at first, either. We had to ask for their funeral records. Those were harder to ignore. We got the Clave involved a few weeks ago and everything has happened pretty fast since then. Even those stubborn asses could see the problem. Magnus and I were able to convince them that with the help of the Downworld, we might have a chance to figure out what the fuck is happening and hopefully not all die before we can. This was the best solution we could come up with to make alliances quickly that couldn’t easily be broken. There will be an amendment to the Accords to include our marriages right now, and then we will rewrite them completely in the future, after this is over. That’s the deal. If this works at all.”

The room went quiet again after Alec finished. They sat there. Jace listened to the clock on Alec’s desk tick softly. Alec didn’t say anything. When Jace glanced over at him, Alec’s head was leaning against the wall and his eyes were closed. He looked almost asleep. Jace was startled to realize that he didn’t remember the last time he and Alec had trained together. Or done much of anything together in the last few weeks. Jace’d been so busy with patrols. And apparently funerals.

Jace closed his eyes. “Okay,” he whispered, “okay, I guess I’ll marry a vampire.” 

There was a touch on his arm. Jace looked down as Alec wrapped a cool, dry hand around his wrist. “Entreat me not to leave thee, or return from following after thee. For whither thou goest, I will go, And where thou lodgest, I will lodge.” Jace heard the words Alec spoke softly reverberate in his head and his parabatai rune burned. 

“Jace, I am sorry. I know you have… complicated feelings towards being bi. I hope it’s not even an issue and that you’ll end up with a woman that you can get along with. I just knew that the Clan might not go for it unless I offered them the option. You know they have weird hierarchies. I couldn’t take the chance. We’re dying and I can’t stop it.” Alec’s hand abruptly tightened on Jace’s arm, becoming a bruising vice grip. “But Jace, you are still my parabatai, your soul is in my soul, and I will be with you through this, every step of the way. And I’ll find a way out of it if we need to. I promise you.” Alec’s voice was fierce before fading away into silence again.

Jace was suddenly exhausted, the maelstrom of emotions coursing through him finally easing, leaving behind bone-deep weariness and a headache behind his temples. Alec’s hand rested on his arm for another minute before dropping away. He looked over and Alec’s eyes were closed again. He wondered when Alec had last slept. The leftover blood still on his face had turned dark brown and was crusted in little flakes around his nostrils. The bruising would be spectacular if it wasn’t healed soon.

“Are you going to use an iratze on your nose.” Jace’s voice was flat, more of a statement than a question.

Alec’s eyes opened a slit and peered over at him. “No,” he said, shortly. His eyes closed again.

Jace felt a small, vicious curl of satisfaction in his gut. He relaxed against the wall and closed his own eyes. “Shit, man. This sucks.”

Alec let out a breathy chuckle. “Yes, Jace. This fucking sucks.”