The power she gains from this is so much that she grows larger than the planet.

In truth, Laron knew that devouring a goddess would give her more power, but she couldn't have predicted the sheer scale of that power. Twisting and shivering in pleasure, Laron's body expanded out, growing larger and larger. In seconds, the world below looked so small that the details began to become hazy, then completely indistinct. When it was over, Laron looked in confusion, not understanding what the small, hand-sized ball in front of her was. Then she realized: that was the planet. She had completely outgrown it. Laron looked down at herself, her dragon body bursting with curves, from her gas-planet sized breasts, her stomach which extended out past her waistline, and a butt that rivaled her bust in sheer size. Looking around at the empty space around her, Laron started to think about what to do next. She was so large, so powerful now, what should she do?