Rarity glared back at Chrysalis, showing one last spark of defiance as her body rapidly expanded again. She practically filled the shop, wobbling from side to side, floor to ceiling, never quite settling. A creaking sound had joined the heavy sloshing within her, and the changeling queen realized that Rarity was nearing-if not already at-her maximum capacity. Gravity was clearly working against her now as well, the sheer volume of fluid within preventing her from maintaining the perfectly spherical figure she had displayed earlier.

Like her hooves, her head had sunken even deeper into her swollen form, her cheeks forcing her to squint on top of puckering her engorged bottom lip into an already exaggerated pout. Rarity murmured something, too encumbered by her own bloated face to speak. Chrysalis followed her gaze, gritting her teeth as she noticed that the unicorn’s horn was pressing into her own flesh just hard enough to cause a divot.

Chrysalis shook her head and grabbed the doorknob with her magic. “That wasn’t a suggestion! Since you seem determined to keep trying that, I should probably tell you that the amulet absorbs the magic of the wearer and makes them even larger.”

Rarity gave a muffled whimper in response.

The changeling queen giggled dryly. “I’m surprised you didn’t figure that out sooner, actually. You were only supposed to reach half this size. Oh well.”

Several changelings slipped into the shop, falling into ranks behind their queen. She smiled as she took a step forward, grinning up at the first captive of her second invasion.

“Anyway, you’re looking pretty full right about now, so I wouldn’t suggest any encore performances.” She leaned toward her subjects, adding, “Will one of you put a cork on her horn or something? She’ll blow our cover if she goes to pieces on us, and I don’t even want to think about the mess she’d make.”

The massive unicorn whimpered again, still lightly sloshing as she continued to stare up at her horn.

“Yes yes, how the mighty have fallen, very tragic. Ahem...” Chrysalis lifted her head, snout to the ceiling. Crackling green energy flowed over her, and in moments, she had assumed Rarity’s former likeness. “I believe this will do nicely, don’t you agree?”

Rarity closed her eyes, her sloshing preventing near silence from falling over the room. Chrysalis turned toward the other changelings, all of which had assumed the forms of ponies.

“What did that spell fill her with, again?”

“Blueberry juice, my queen.”

Chrysalis cocked a brow. “That explains the color... Who decided to make a spell to fill things with juice? Oh well. You lot; squeeze some of it out of her, I suppose, but don’t take off that amulet. We don’t want her getting any ideas. When she’s ready, move her to the hideout.”

They nodded, approaching Rarity from all sides. Chrysalis turned away, moving a curtain aside and staring out the window at Ponyville.

“One down...”

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(I sure as hell didn't make the background)