Britney looked at Alison. The other super being hadn't done much with her powers save for exploring her body with super speed. Her eyes narrowed. Alison didn't fully appreciate the scale of the gifts they'd been given, nor did she love their giftee like she did. And Alison would be the only one who could stand in her way...
Focusing her attention inward, she took a deep breath and closed her eyes. She summoned all the power she could muster and called out for it to do this one thing. She reached out her hand and pulled.
Alison knew something was wrong as her movements began to slow. Her speed decreased, it pulled her out of her stupor and into the reality of the situation. There, Britney hovered, and in her outstretched hand, ribbons of glowing blue were streaming from Alison to her. She felt her powers start to fade. That bitch is draining me! Well, she wasn't about to go without a fight.
Reaching out, she found that she could touch those strands of her power. She wrapped them around her hand and tugged them back. Britney's eyes flew open.
"Stop it!" she hissed at her sister. "This is supposed to be mine!"
"You hypocrite," Alison growled back. "You're a fucking bitch, thinking you can just take my powers like you own them!"
"I should have them. I appreciate them more than you!" Britney tugged back against them, and some of the ribbons flew into her hands.
"They are mine by right!" Alison screamed and put her whole body into pulling back on the wisps of her power, taking them back within herself. To Britney's dismay, it seemed that Alison was winning. Her grip on the strands was slipping, and now tendrils of her own power, bright yellow, were passing over into her sister. She wasn't strong enough to hold on. "Fuck you, sis. I'm going to take back my power, and all of yours too. I'm going to make you nothing for what you tried to do to me!"
Britney knew it was hopeless. She couldn't win this one.
Until she felt something tickle her foot. Looking down, Max had pressed his lips up against the only part of her he could reach, her toes. He met her glowing gaze and began to blow raspberries. Strength surged through Britney, and strands of power flowed into her like she had a magnetic pull. Alison's face dropped as she watched her sister bloat with even more power, becoming stronger than either of them could imagine. Britney ripped everything out of Alison - her strength, muscle, height, curves, everything she could take - before she let the now ordinary human drop to the ground.
Britney rose into the air as everything swirled around her. Her body grew larger, more muscular, with tits and ass larger than anything the world had ever seen. Her skin glowed blue with power as the 30-foot goddess gained control over reality itself. She began to laugh as she drifted to the floor, eyes solid glowing gold. She was beyond human, beyond anything they could ever imagine. She was life and death itself, power given form. Her body swayed as if it were incorporeal, but the floorboards creaked with her immense weight.
She towered over the two humans in her presence. With a sniff, she erased Alison from reality entirely. No one would even remember her existence. As far as they were aware, Britney had been an only child, and Max was entirely without cousins.
She bent down and cupped her son's face in her hand, only needing a single finger to turn his head. "Maxie, you did so well. Look at what you've made your mother!"
Max stared up at her with wide eyes. "Mom?"
Britney hummed. "Yes, sweetie?"
"What happened... what are you?"
"Well, you gave me all the power I wanted, and I became a goddess. Very literally, too, I can do anything I want now." She smiled down at him, watching the cogs turn in his sweet, simple, human mind. Before he could say anything, she pressed a deep kiss to his lips, passionately exploring his mouth with her muscular tongue. "Mm, don't say anything, dear, you don't need to. I can read your thoughts now, anyway."
"But please, Mom, can you let me go? I want to go and do something!"
Britney sighed and let her son go. "Fine. But I'm omnipotent now, darling, I can do anything if you want me to."
"Sure. But this, I want to do myself," Max stated, as he backed out of the room. Britney watched her son go as she folded her arms. She couldn't believe how disinterested he was in her ascension. Perhaps she needed to make a religion of herself...
Meanwhile, Max hurried back to the What-if machine. He hadn't realized things would change so quickly. He needed to get the situation under control, now.