Bowser gets his hands on a few good mushrooms- but of course, it's nowhere near enough. He's still got plenty of growing left to do, and if you want to see how far he goes, check out Big Stories for as little as $2 a month here: https://www.patreon.com/bigstories

Art ©  silver-stag

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Kamek rushed into Bowser's throne room, hauling a red and white mushroom nearly as big as he was. "Your Horrendousness! We found it!"

Bowser snorted as he looked up, his eyes honing in on the mushroom. "Bwahaha, perfect!" He said, snatching it out of Kamek's hands. "Do we know anything else about this twerp that kidnapped my princess and plumber?"

Kamek shook his head. "Our spies haven't gotten a name, yet- but they believe that Mario and Peach were taken to Isle Delfino!"

"Isle Delfino, eh?" Bowser rumbled, taking the mushroom in his hands. "Well… I better get beach-body ready, then." The huge koopa tore into the mushroom, and braced for the change- it was almost instantaneous as a rush of energy shot through his body. In increasingly more intense waves, his body pulsed, growing larger and larger. His arms tightened and flexed, hsi thick scales bristling as muscle surged forward, his biceps inflating like balloons, his triceps filling out to counter them. The koopa king's shoulders pushed to either side, his neck growing thick as a bull's- it was a wonder his spiked collar didn't snap. His chest came next, pushing forward like the tide coming in, a pair of solid, stone like pecs that jutted over his dense, chiseled abs. His back muscles surged, heaving flanks swelling to the point his shell nearly cracked. Finally, the koopa king's legs solidified into tree trunks, packed densely with sculpted muscle.

Bowser let out an adrenaline-fueled roar, fire teasing at the strained scales of his enhanced form. "Oooh, yeah… this is more like it!" he growled. Bowser curled his arms just to see his muscles flex and bulge, his biceps grinding against his pecs. "Hah, I'd like to see this mystery loser see me now!" He turned to Kamek. "Go out and get me more."

"W-what? More? B-but, Your Humungousness-"

"More!" Bowser stomped, cracking the stone beneath his feet. "I wanna crush this little bug! Bah, never mind- I'll go out and get more myself!" He curled his arm again, patting his swollen bicep as he grinned toothily. "I wanna test out what this new beef can do."