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Checkmate: The Shapeshifter

Summary:

The gala was insufferable.

That, at least, was familiar territory. Bianca had attended dozens of these events—charity fundraisers disguised as social warfare, where every smile was a gambit and every handshake a calculated risk. She'd learned to navigate them the same way she navigated a chessboard: patience, observation, and the quiet certainty that she'd already accounted for every variable.

The Gotham Museum of Antiquities glittered with chandeliers and bad intentions. Bianca stood near the eastern balcony, a glass of champagne held loosely in her gloved fingers—untouched, because she didn't drink, but it made for excellent prop work. Her checkered dress caught the light in asymmetrical patterns, black bolero draped like armor over her shoulders. The cat-sunglasses were perched in her hair now, revealing those impossible ocean-blue eyes that made people look twice and then look away.

She was surveying the room. Counting exits. Cataloging faces. Noticing how the board was arranged.

Tim was supposed to meet her here.

Notes:

(See the end of the work for notes.)

Work Text:

The gala was insufferable.

That, at least, was familiar territory. Bianca had attended dozens of these events—charity fundraisers disguised as social warfare, where every smile was a gambit and every handshake was a calculated risk. She'd learned to navigate them the same way she navigated a chessboard: patience, observation, and the quiet certainty that she'd already accounted for every variable before the first piece ever moved.

The Gotham Museum of Antiquities glittered with chandeliers and bad intentions. Bianca stood near the eastern balcony, a glass of champagne held loosely in her gloved fingers—untouched, because she didn't drink, but it made for excellent prop work. Her checkered dress caught the light in asymmetrical patterns, the black bolero draped like armor over her shoulders. The cat-sunglasses were perched in her hair now, revealing those impossible ocean-blue eyes that made people look twice and then look away.

She was surveying the room. Counting exits. Cataloging faces. Noticing how the board was arranged before the game even began.

Tim was supposed to meet her here. Red Robin was supposed to be on patrol. But Tim Drake had a talent for being in two places at once, and Bianca had learned not to question it. She'd learned to trust his chaos because it was her kind of chaos—controlled, deliberate, always three steps ahead.

Which was why, when she felt a familiar presence slide up beside her—quiet footsteps, the faint scent of leather and coffee, the exact weight of his body settling into her space—she didn't immediately tense.

"There you are," she said, not turning. Her voice was dry, understated, carrying that quiet sharpness that made people lean in without knowing why. "I was starting to think the criminals of Gotham had finally learned to leave you alone."

"Bianca."

The voice was Tim's. The cadence, the warmth underneath the exhaustion—it was right.

But something wasn't.

Bianca's gaze flickered—just a fraction. A micro-movement that most people would miss. She'd spent years reading people, breaking them down into tells and patterns, cataloging the way bodies betrayed their owners. And Tim Drake was one of the few people she'd stopped reading because she trusted him.

Maybe that had been a mistake.

"You look beautiful tonight," the voice continued, and a hand settled on her waist—fingers curving around the dip of her hip, pulling her just slightly closer. "I've been thinking about you all night. Couldn't focus on patrol."

Bianca allowed the contact. Let the hand rest there. Externally, she remained composed—neutral expression, champagne still steady, breathing unchanged. Internally, her mind was running diagnostics at a speed that would have made her old self proud.

Tim doesn't compliment her appearance first. Tim greets with a question—usually something like "how many people have tried to recruit you tonight" or "is it too early to leave" or "I saw you dismantle that senator's argument from across the room and I need a moment."

Tim's hands are calloused in specific places—staff work, keyboard work, the particular ridge along his palm from years of grappling hooks. This hand is wrong. The pressure is wrong. It's too confident in where it's touching her, like it's performing intimacy rather than inhabiting it.

The scent is close but not exact. Leather, yes. Coffee, yes. But there's something underneath. Something synthetic. Something that doesn't sweat or bleed or bruise the way Tim does.

The shapeshifter, because that's what it had to be, some creature wearing her boyfriend's face, leaned closer. Its breath ghosted across her cheek. The hand on her waist tightened, fingers splaying possessively across the checkered fabric of her dress.

"I missed you," it murmured, and the voice was so good—Tim's exhaustion, Tim's warmth, Tim's particular way of saying those words like they cost him something. "You have no idea what I wanted to do to you when I saw you across the room."

It turned her slightly. Just enough. The balcony was behind her now, the railing pressing against her lower back. The shapeshifter stepped into her space, chest to chest, close enough that she could count the stitches on its costume.

Close enough to kiss.

Bianca didn't move.

She could feel the warmth radiating off it—manufactured warmth, she realized now, too consistent, like a fever that never fluctuated. She could see the eyes behind the domino mask, almost Tim's shade of blue, but flat when you looked too long. Like a photograph of the ocean rather than the ocean itself.

It tilted its head, mirroring a gesture that was achingly familiar. "You're quiet," it said. "That's not like you."

Smart, Bianca thought. It knows Tim would notice silence. It's prompting her to speak, to validate the performance.

She let her expression soften—the way she softened for Tim, the controlled vulnerability she allowed only in the dark. Let her free hand come up to rest on its chest, right over where a heart should be.

It didn't have a heartbeat.

Not the right one, anyway. There was something there—a pulse, a vibration, something, but it wasn't Tim's steady rhythm. Tim's heart beat like a man running toward danger. This thing's heart beat like a machine learning to pretend.

"You're not Tim," she said quietly.

The words landed like a stone in still water.

The shapeshifter's smile froze. That perfect, Tim-like smile—slightly crooked, slightly tired, slightly smug, became a mask that didn't know how to stop moving.

"You noticed," it said. Not a question anymore.

"The hands," Bianca replied, still calm, still letting it hold her because moving would reveal how much she'd already calculated. "The scent. The heartbeat. The way you touch me like you're claiming territory instead of anchoring yourself."

She tilted her head—her gesture, the one that made people feel seen and unseen at the same time.

"And Tim never says 'you look beautiful.' He says 'you look like you're about to commit a crime and I respect that.'"

The shapeshifter stared at her.

Then it laughed.

The sound warped halfway through—shifting, twisting, splintering into something that was no longer human. The face rippled. The hands on her waist tightened painfully, fingers elongating into something with too many joints.

"Clever girl," it hissed, and the voice was all wrong now—layered, echoing, like multiple people speaking at once. "But you knew that already, didn't you? You let me touch you anyway. You let me hold you. You almost let me kiss you."

"Information gathering," Bianca replied, still not flinching. "You're a shapeshifter. Emotional mimicry is good but not perfect—you overcompensate with physical touch because you don't understand emotional intimacy. Physical replication is approximately ninety-three percent accurate. The hands gave you away immediately. Tim's metacarpal calluses are distributed differently from standard combat training. You've never held a staff for eight consecutive hours. You've never fallen asleep at a desk and woken up with keyboard imprints on your palm."

The shapeshifter's smile faltered. The face was still trying to hold Tim's features, but they were slipping now—melting, reforming, unable to maintain the illusion under her gaze.

"You should be afraid," it snarled.

"No," Bianca agreed. "I shouldn't."

She set her champagne glass down on the balcony railing—slow, deliberate, the same way she did everything. Her fingers brushed against the small concealed tool hidden in her bolero's lining. An echo of her old life. Old habits that had never really died.

"I'm also not the one you should be worried about."

The shapeshifter's mismatched eyes widened.

"What—"

"The balcony," Bianca said, and her lips curved into something that wasn't quite a smile. "You backed me toward it for a reason. You wanted privacy. You wanted no witnesses." Her gaze flickered up—just once, just enough. "You didn't check the perimeter."

The shapeshifter's head snapped upward—

And Red Robin launched himself from the balcony railing above them.

 

 

 

 

---

 

 

 

 

Tim had been tracking the shapeshifter for three hours.

It had started with a discrepancy in the security feeds—two Red Robins spotted within six blocks of each other, which was technically possible if he'd been cloning himself again, but he'd promised Bruce he'd stop doing that after the incident with the Duplicate Degenerative Cascade. (Dick still brought it up at family dinners. "Timmy turned into a pile of Tim puddles, B, you should've seen it—")

So. Shapeshifter.

He'd traced it to the museum gala, where it had slipped into the crowd wearing his face. That was annoying. Then he'd watched it approach Bianca, and annoyance had curdled into something colder. Something that sat in his chest like a shard of ice.

He'd watched it touch her waist.

He'd watched it pull her close, watched their bodies press together, watched it lean in until their lips were centimeters apart.

He'd watched Bianca stand there, calm as a frozen lake, letting the creature think it was winning.

Information gathering, he realized. She's buying time. She's reading it. She's waiting.

But Tim wasn't a chess player.

He was a problem solver, and the problem in front of him was wearing his face and almost kissing his girlfriend, and the solution was violence.

He cleared the balcony railing in a single vault—he'd been crouched on the level above, silent as a ghost, watching through the gap in the stonework. His cape snapped behind him like a black wing, catching the chandelier light. The shapeshifter looked up—too slow, too slow, and Tim hit it like a freight train made of fury.

They crashed through a decorative table. Champagne flutes shattered. Someone screamed. The shapeshifter's grip on Bianca's waist was torn away, and Bianca stepped back exactly two paces—not fleeing, not intervening. Observing.

Tim pinned the shapeshifter to the marble floor, one hand around its throat, the other cocked back in a fist that was already bloody from the impact.

"You," he said, and his voice was wrong.

It wasn't the controlled, clipped tone he used with the team. It wasn't the dry exhaustion Bianca heard when he stumbled into bed at 4 AM. It wasn't even the sharp precision he used when dismantling criminal empires from his laptop.

It was something lower. Something that vibrated with barely contained rage, the kind that Bruce kept locked behind seven layers of discipline and a dead parent's legacy. The kind that only came out when something irreplaceable was threatened.

"You don't get to wear my face."

The shapeshifter's features rippled—trying to shift, trying to escape, trying to become someone else, anyone else. But Tim's grip was iron. His fingers dug into its throat hard enough to leave bruises on a real person.

"You don't get to touch her."

The fist came down.

And again.

And again.

Bianca didn't flinch. Didn't look away. Her spiral ocean-blue eyes tracked every impact, cataloging, analyzing, understanding.

By the time Dick Grayson arrived—launching himself from the chandelier because of course he did, the shapeshifter was unconscious and partially reverted to its natural form, a vaguely humanoid mass of shifting gray flesh that had stopped trying to hold any shape at all. Tim was still hitting it.

Not efficiently. Not strategically.

Just hitting.

"Tim." Dick landed in a crouch, Nightwing suit gleaming under the chandelier light. His voice was careful. The voice he used for civilians and scared children and brothers who had gone somewhere dark. "Tim, buddy, I think it's down."

Tim's fist hovered in the air. His chest was heaving. Blood, not all of it the shapeshifter's, dripped down his knuckles and splattered across his torn gloves.

"It almost kissed her," he said. His voice cracked on the last word. "It had its hands on her. It almost—"

"I know." Dick moved closer, slow, non-threatening. "But it's done. She's okay. She's okay, Tim."

Tim stared at the unconscious shapeshifter for a long moment. The gray flesh was still twitching—residual muscle memory, or maybe the thing wasn't as unconscious as it should be.

Tim's fist tightened again.

Dick's hand closed around his wrist. Gentle. Steady. "Tim. Look at me."

Tim looked.

Dick's eyes were soft. Worried. The kind of worried that said I've seen this before and I don't want to see it again.

"She's okay," Dick repeated. "You got here in time. She knew you would."

Behind them, someone cleared their throat.

Jason Todd leaned against a pillar, helmet tucked under his arm, expression caught somewhere between impressed and deeply unsettled. "Well," he said. "Guess we know who Brucie's favorite is now."

"Jason," Dick warned.

"I'm just saying." Jason gestured at Tim with his helmet. "The old man's gonna watch that footage and cry. Emotional damage, full circle. That right there? That's heritage."

Damian appeared at Jason's elbow, sword half-drawn, green eyes narrowed as he assessed the scene. "Drake displayed excessive force, but the target was compromised and posed a credible threat to Drake's... associate." He said the word like it cost him something. "I approve of the efficiency, if not the emotional control."

"High praise from the demon brat," Jason muttered.

"Todd."

"Children."

Bruce's voice cut through the chaos like a blade.

He emerged from the shadows near the eastern staircase—when he'd arrived, how long he'd been watching, no one knew. That was the point. His cowl was down. His expression was unreadable, carved from the same stone as the gargoyles outside.

But his eyes were on Tim.

Tim, who stood in the middle of the wreckage, blood dripping from his knuckles, chest still heaving, still vibrating with barely contained rage. Tim, who met Bruce's gaze and didn't look away. Tim, who had just demonstrated—perhaps for the first time in front of the whole family—that he was absolutely Bruce Wayne's son.

Bruce said nothing. He didn't need to.

He just looked at Tim. Then looked at Bianca. Then looked at the shapeshifter, still twitching on the floor.

Then he turned and walked toward the museum's security office, probably to handle the inevitable cover-up.

Jason let out a low whistle. "Yeah. That's the 'I'm not mad, I'm disappointed you didn't hide the bodies better' walk. Classic."

Stephanie Brown appeared from behind a potted plant—don't ask—and immediately made a beeline for Bianca. "Okay, so, that was terrifying and also kind of hot? In a 'my boyfriend just committed several felonies for me' way? Do you need a drink? I need a drink."

Bianca tilted her head. Her expression was still composed, still neutral, but there was something softer around her eyes. "I don't drink."

"Right, right, tragic backstory, got it. Do you need a snack? Because I have gummy bears in my purse and I feel like this qualifies as an emotional support gummy bear situation."

Something flickered across Bianca's face—not quite a smile, but close. The controlled imperfection of her expression softening at the edges.

"I'm fine," she said. Then, quieter: "But I'll take the gummy bears."

Stephanie beamed and started digging through her purse.

Bianca looked past her, toward Tim.

He was still staring at the shapeshifter.

 

 

 

 

---

 

 

 

 

The aftermath took two hours.

Statements were given. Security footage was acquired. The shapeshifter was transported to a holding facility that wasn't technically legal but definitely existed. The museum's board was assured that the 'costumed individual' who'd destroyed their antique table would be held accountable (he wouldn't be).

Bianca handled most of it. Her composure never cracked. She spoke to the police with calm precision, to the museum director with diplomatic charm, to the reporters who'd somehow gotten wind of the incident with careful non-answers that revealed nothing.

She was, Tim thought as he watched her from across the room, incredible.

And she still hadn't looked at him.

Not since the shapeshifter went down. Not since Tim had stood up with bloody knuckles and a face full of rage. She'd spoken about him—"that's my partner, yes, he was protecting me, no further comment"—but she hadn't looked at him.

That was worse than the shapeshifter.

That was worse than almost anything.

The penthouse was quiet when they finally got home.

Bianca slipped off her heels at the door—practical habit, not aesthetic, and walked to the kitchen without turning on the lights. The city glowed through floor-to-ceiling windows, casting everything in blue and gold.

Tim followed her. He'd stopped at the door to remove his gauntlets, his cowl, the bloodied wrappings around his hands. Now he stood in the middle of the living room, dressed in black thermal and tactical pants, looking smaller than he had an hour ago.

"I'm sorry," he said.

Bianca paused at the kitchen island. Her back was to him.

"You scared me," she said quietly.

Tim flinched.

"I'm not—" He stopped. Ran a hand through his hair. "I didn't mean to. I just saw it touching you. I saw it holding you. It almost kissed you, Bianca. It had its hands on your waist and it was leaning in and I—"

He stopped again. His voice was shaking.

"I haven't lost it like that in years. Not since—"

Not since you died, he didn't say.

But they both heard it.

Bianca turned. Her face was unreadable—neutral, composed, the way she'd been all night. But her eyes. Those impossible ocean eyes with stars caught in their depths. They were watching him in a way that made his chest ache.

"You scared me," she repeated, "because I've never seen you like that. And I've seen you at your worst."

Tim swallowed. "Is that... a dealbreaker?"

Bianca tilted her head. The black head scarf had come loose at some point, slipping down to hang near her ear. The emerald-cut emerald around her neck caught the city lights.

"No," she said finally. "It's not a dealbreaker."

Tim exhaled. The breath left him in a rush, shoulders dropping.

"It's also not a surprise," she continued, walking toward him. Her bare feet made no sound on the floor. "I've always known you were capable of that. You're Bruce Wayne's son in more ways than one."

"That's not—" Tim started, then stopped. Rubbed the back of his neck. "Jason's never going to let me live this down, is he?"

"Jason's going to frame the security footage and hang it above his fireplace."

Tim groaned.

"Dick's going to bring it up at every family dinner for the next decade," Bianca added, still walking. "Damian will pretend to be unimpressed but will secretly be extremely impressed. Stephanie has already composed three different group chat messages about it. And Bruce—"

"Please stop."

"—is probably watching the footage on a loop right now, telling Alfred that he's 'simply reviewing tactical responses' and absolutely not feeling emotions."

Tim dropped his head into his hands. "I hate this family."

"No, you don't."

"No," he admitted, voice muffled. "I don't."

Bianca stopped in front of him. Close enough that he could smell her perfume—something subtle, sandalwood and vanilla, understated like everything else about her. Close enough that he could see the faint scars on her hands, the calluses that matched his in different places.

Close enough that he could see the truth in her eyes.

"I'm not afraid of you, Tim," she said softly. "I've been killed by the Joker. I've crawled out of a Lazarus Pit with my mind half-shattered. I've rebuilt myself from nothing, twice." She reached up and touched his face—the bruise forming on his cheekbone, the split in his lip. "You losing control because something threatened me? That's not something to apologize for."

She paused.

"That's something to talk about. Before the next time."

"There won't be a next time," Tim said immediately.

Bianca's lips quirked—that almost-smile, the one she only gave him.

"You're a vigilante in Gotham City. There will absolutely be a next time."

"...Okay, fair."

"But next time," she said, her thumb brushing across his jaw, "you let me handle the setup, and you handle the takedown. Together. Not you losing your mind while I watch from the sidelines."

Tim stared at her. "You're not... upset? About any of it? About what I did back there?"

"I'm strategic." She stepped back, just enough to meet his eyes properly. "The shapeshifter made a mistake. It assumed I was the target. It assumed that getting close to me, touching me, almost kissing me—that those were winning moves." Her gaze flickered to his bloody knuckles. "It didn't understand that touching me was just the opening move. You were the response it didn't account for."

Tim let out a shaky breath.

"So what you're saying is," he managed, "I'm your contingency plan."

Bianca's expression shifted—just slightly. A hint of warmth beneath the ice.

"You're my endgame," she corrected. "There's a difference."

She turned and walked back toward the kitchen, retrieving Stephanie's gummy bears from the counter. When she looked back at him, the city lights haloing her burnt orange hair, she almost looked soft.

"Now come here. Your hands need bandaging, and I refuse to let you bleed on the white couch."

Tim looked down at his hands. Then at the white couch. Then at Bianca.

"You bought the white couch," he said. "I voted for gray."

"Your vote was noted and overruled."

He crossed the room, letting her pull him toward the bathroom. Letting her guide his hands under the warm water, watching her work with the same precision she applied to everything. The blood swirled down the drain—not all of it his, but most of it now.

"He almost kissed you," Tim said quietly, watching her hands move.

"He almost did," Bianca agreed. "But he didn't."

"How did you know? Before I showed up. How did you know it wasn't me?"

Bianca was quiet for a moment. She dabbed antiseptic onto a cotton ball—the sting made his fingers twitch, but she held them steady.

"Tim never touches me like that in public," she said finally. "Not because he doesn't want to. Because he knows I don't like being touched when I'm in surveillance mode. He reads me. He always reads me." She glanced up at him. "That thing touched me like it was performing a role. You touch me like you're asking permission, even after all this time."

Tim's throat tightened.

"You noticed all that," he said. "In the middle of a gala. While something was pretending to be me. You noticed all of that."

"I notice everything about you." The words were simple. Matter-of-fact. As if she were stating a chess rule rather than confessing something vulnerable. "It's why I survived."

Tim was quiet for a long moment.

Then he leaned forward and kissed her forehead—gentle, careful, nothing like the shapeshifter's performance.

"Thank you," he murmured against her skin.

"For what?"

"For noticing the difference."

Bianca's hands stilled on his bandages. When she spoke again, her voice was softer than he'd ever heard it.

"I would always notice the difference, Tim. There is no version of you that I wouldn't recognize."

She finished the bandages in silence. When she was done, she didn't let go of his hands.

"We're telling Bruce I got the rage from him, aren't we?" Tim asked.

"Absolutely," Bianca said without looking up. "I'm already composing the text."

"Please don't."

"I'm adding a winking emoji."

"Bianca."

She glanced up at him, and this time the smile was real—small, understated, but real.

"I'm joking," she said. "I would never use a winking emoji. It's beneath my personal brand."

Tim laughed despite himself. Despite the bruises and the blood and the shapeshifter rotting in a black-site holding cell. Despite the fact that everyone in his family had watched him lose control tonight and would definitely be bringing it up at every future gathering.

He laughed, and Bianca's smile widened by a fraction of a degree, and when she finished bandaging his hands, she let him pull her close.

"You're not allowed to die again," he murmured into her hair.

"I wasn't planning on it."

"Good." He tightened his arms. "Because I don't think I'd survive it."

Bianca was quiet for a moment. Then, so softly he almost missed it:

"You'd surprise yourself, Tim. You're very good at surviving."

He held her tighter.

Outside, Gotham hummed with its usual symphony of sirens and secrets. Somewhere across the city, a shapeshifter was waking up in a cell, wondering what had hit it. Somewhere in the Batcave, Bruce was definitely watching the security footage on a loop, pretending he wasn't feeling emotions.

And in a penthouse high above the chaos, Tim Drake held the woman he loved and let himself believe, just for tonight, that they'd both survive whatever came next.

Notes:

- Jason absolutely has a framed screenshot of Tim tackling the shapeshifter. It lives in his safehouse, next to a photo of Dick falling off a trapeze and a newspaper clipping about the time Damian got stuck in a tree for three hours.
- Stephanie is Bianca's unofficial emotional support human. Bianca would never admit this out loud. (Stephanie knows anyway.)
- Bruce sends Tim a text the next morning: "Good work. Next time, aim for the knees first." Tim screenshots it and sends it to the family group chat. No one sleeps for three days.
- The almost-kiss lives rent-free in Tim's head for approximately six months. Bianca finds this mildly amusing and exploits it ruthlessly.

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