"You ever wonder why they call them 'twin flames'?" The voice comes from above you, a dry, amused rasp, like embers crumbling in a dying fire. You glance up to see Liara perched on the roof's edge, her legs dangling over the side. The setting sun silhouettes her, turning her hair into a fraying ribbon of shadow. One eye glints gold, the other blue, both fixed on you with unsettling focus.

You shrug, wiping sweat from your brow. Training with her always leaves you breathless, but not half as much as her habit of appearing out of nowhere. "Because two fires burn brighter?"

She snorts, flicking a pebble at your shoulder. It singes midair, leaving a tiny scorch mark on your tunic. "Wrong. Twin flames consume each other." Her fingers flex, water spiraling around her left hand while fire licks at her right. "That’s the point."

The orphanage’s courtyard is empty this late, just the two of you and the distant clatter of the kitchen staff cleaning up. Liara hops down, landing light as a fox-cat. Up close, you can see the frayed threads of her sleeves, how she’s stitched Fire Nation crimson and Water Tribe blue together haphazardly, like she couldn’t decide which to cut away.

Liara steps closer, and that's when you see it—the tear carving a glistening trail down her cheek, evaporating into steam halfway down her scar before it can reach her jaw. "Do you even know who sired me?" she asks, but her voice isn't bitter. It's hollow, like someone dug out the anger and left only the shape of it behind. The water in her left hand freezes abruptly, jagged spikes forming a fractured mirror. She tilts it, and for a second, you see her reflection splintered a dozen times, gold eye, blue eye, repeating into infinity.

"The Fire Lord," you answer nervously, because everyone whispers it, the gold eye, the royal cheekbones, the way flames dance too eagerly for her. But Liara shakes her head, her laughter brittle as the ice in her palm.

"Not just him," she says, and the frozen mirror shatters, shards hovering midair before igniting into a hundred tiny blue flames. "Guess again."

You hesitate. The waterbending was always the bigger mystery, no Fire Nation orphan learns those wrist flicks by accident. Then it clicks: the way she fights like the tide pulling back before a tsunami, the stolen beads in her hair, the way she hums Water Tribe lullabies under her breath when she thinks no one’s listening. "Katara," you breathe.

Liara goes very still. The blue flames gutter out. "Clever," she murmurs. "But not clever enough." Her fingers twitch, and suddenly the courtyard isn’t empty anymore, shadows detach from the walls, figures hooded in Red Lotus crimson stepping forward. "They told me my parents were traitors. To the world. To each other." One of the figures tosses her a scroll; she unrolls it with a flick of her wrist, revealing a charred fragment of a love letter, the ink blurred by what might’ve been tears or seawater. "But look at the date. Three years after the summit. Three years of lies."