The power of the thrice-cast spell started to pour into him, his muscles now growing at three times the speed. He quickly became immobile. His arms were blocked by his lats and pecs. His legs were forced so far apart he couldn't hop to walk. The feeling of pure MASS however was intoxicating. By comparison his diminutive friend, John, had less mass then one of Davis's legs.
"Try one of the other spells, any spell! Do it quickly!" Davis cried out.
John was staring at the muscular mass in front of him, entranced. At his friends cries however he started rifling through the book again.
"Don't worry Davis, I got this one." He started to mutter another magical phrase and looked up to see the results.
By this time Davis was fully immobile. Despite all of the strength in his limbs he couldn't move. He had fallen onto his back, his head propped up by his trapezoids. His pecs blocked any line of sight to the rest of his body. Then he felt another kind of growth. Was his head was getting closer and closer to the wall behind him?
"Hey Davis, I think your arms and legs are getting longer...and yeah! Your shoulders are widening as well! Damn, at this rate you're going to be twice as wide as I am!"
As his chest and hips became a more practical size he found his arms and legs able to move. Slowly he levered himself up of the ground. As he made his way to his feet he felt him self go up and up and up.
He must have added another foot or so to his height. His bull neck elongated enough so that he could manage to see in front of him somewhat and he saw his little friend looking up at him in awe. Davis looked to his left and flexed his beachball arm. The mass of it blocked a full flex but at least he was a functional muscle monster now. The remaining residual power from all the spells were still taking affect but with his current size he didn't even notice the growth that would make normal men muscular.