Hey guys! I'm back at it again with another chapter! We left off with Little Mac getting into a challenge that may determine the ultimate fate of him and his friends. Will he succeed? Or will Bowser prove more than a match for him? As always, don't forget to fave, follow, rate and review! I really appreciate all the views and support you all give! Now, let's get into this chapter!

Disclaimer: I don't own Super Smash Bros. It is owned by Nintendo and Masahiro Sakurai.


Princess Peach's Castle, Mushroom Kingdom, World of Trophies

Little Mac had challenged the mighty Koopa King Bowser to a one on one fight that could result in either absolute freedom or absolute imprisonment. The boxer wasn't only fighting for himself, but also his two friends that came with him. The water type Pokemon Greninja, and the ruler of the Mushroom Kingdom herself, Princess Peach.

As Little Mac and Bowser were warming up for their fight, Peach and Greninja were kept in restraints while the rest of Bowser's forces, including his son Bowser Jr., got outside the castle because the fields right out front were spacious enough for a fight. The Koopas all then formed a large circle to act as the edge of the makeshift arena.

Bowser Jr. was floating above the field with his flying clown contraption to get a better view.

Once Little Mac and Bowser entered the ring, the boxer decided to remind him about the wager. "Remember the terms of our agreement, turtle. Especially if I win."

"Fat chance, boy. Your strength pales in comparison to my own." Responded the Koopa King.

"Don't underestimate me because of my short size. I've beaten opponents just as big as you." Said the boxer.

"Less talking more fighting." Spouted Bowser impatiently.

For a few seconds afterward, the two fighters were just in their battle positions, staring each other down. After a few more, Little Mac suddenly dashed up to Bowser and initiated a flurry of punches to the gut as his first move. Unfortunately, the punches didn't even make the Koopa King flinch. He then tried to go for a combination of right and left hooks, but they also proved to be useless.

"Pathetic. You really think those punches will bring me down?" Taunted Bowser.

Little Mac then narrowly dodged a downward claw swing from Bowser, only to be knocked a good distance away by a subsequent backhand from the Koopa King's other claw.

The boxer was rolling and sliding across the field until his momentum stopped. As Mac was getting up, Bowser spewed out a fire stream which caught Little Mac off guard. Luckily, Little Mac was able to react in time and run out of the fire's path just before it could burn him.

As Mac was running, he was analyzing Bowser's moveset. Okay, so he primarily focuses on offense and defense, but lacks in speed. If I wear him down long enough with hit after hit, I just might be able to beat him.

The boxer put this plan into motion and dashed up to Bowser again, only this time, he waited for Bowser to attack before Mac did. As Mac predicted, the Koopa King went for a diagonal forehand strike from above. This prompted Mac to dodge out of the way. This strike was followed by other forehand and backhand claw strikes with Mac avoiding each one. As soon as Little Mac found an opening, he went in for the power punch. However, Bowser caught the punch with his left claw just mere inches from his face.

"No!" Shouted Mac.

"This is the end for you!" Yelled Bowser.

The giant koopa then used his free right arm to deal a devastating blow to Little Mac's face, leaving a visible bruise and knocking him back once more. This attack also left him incapacitated.

"Mac! No!" Cried out Peach.

Greninja showed a great deal of concern for his friend and for himself as well.

"Yes dad! Give him pain!" Shouted Bowser Jr. from above.

"Hahahahaha! Please tell me that he was giving his all!" Insulted the Koopa King.

Suddenly, grunting could be heard from Mac's direction, indicating that he wasn't out of the fight just yet. This amused Bowser.

"You know… I hadn't taken a hit like that since I fought Mr. Sandman. You're clearly on his level of strength." Said Mac as he was getting in a somewhat limp battle position.

"You don't know when to give up. Do you?" Said Bowser. "Why don't you stay down like a good little dog!"

Bowser then made another swing toward Mac but the boxer easily evaded it and followed with a few uppercuts square on the Koopa's face, leaving him both surprised and in pain from the blows.

"Looks you've got some fight left." Surmised Bowser. "Why don't I beat it out of you?"

Bowser then made his way toward Little Mac and attacked him in faster and more intricate strikes incorporated with his fire breath attacks. This was undoubtedly keeping the boxer at bay.

Just as I thought. Deduced Little Mac. His chest is nearly impenetrable, but his face is his soft spot. I just have to avoid his claws and fire.

Mac then found another opening after a few more seconds of dodging and dealt another uppercut right on Bowser's jaw. This blow was far more destructive than the last few that came before. It launched the Koopa King about five feet off the ground. There were also stars present in the punch, indicating the punch was some sort of special technique he learned. Greninja, Peach, and Bowser Jr. were more than dumbfounded by the amount of power Little Mac had at his disposal.

As Bowser got up from the devastating blow, he was significantly more enraged and stared into Little Mac's eyes. He also spit out a tooth that was knocked out of place.

The boxer was surprised as he was more than confident that uppercut would be the strike that would take him down. "No freakin' way…"

"Now I'm mad. You're in for a world of pain!" Said Bowser through unbridled anger.

Bowser then made a beeline for Mac with significantly more speed than before. After some more claw strikes and fire attacks that kept the boxer on his toes, Bowser quickly grabbed Little Mac by the throat before slamming him down into the ground below. Bowser then followed with a barrage of repeated downward punches and foot slams that brought Little Mac closer and closer to being beaten. "You are nothing to me! You're just a piece of scum! You will feel my wrath!"

As Little Mac was being beaten though, something odd awakened in him. Something snapped as he was getting pummeled. His pupils suddenly began to dilate inward as his muscles started to expand significantly beyond what they were before. Mac had no idea what was happening but his mind was getting overwhelmed with senses of unbridled aggression. Bowser knew about this too late as he was punched in the gut and launched into the air once more.

When Mac got up, he looked nothing like the small boxer he was before. He now looked like a hulking behemoth that was just as massive as Bowser. As the Koopa King was in shock from his opponent's transformation, he could only utter one thing. "What are you?"

The large Mac said nothing as he ran up to Bowser, taking advantage of his momentary confusion, and utterly beating him senseless until he was completely knocked unconscious.

"Dad! No!" Cried out Bowser Jr from above as he was descending toward the arena.

The larger Mac stopped the beatdown before things got bloody because his opponent was for the most part finished. He calmed down enough to turn back to his normal smaller self.

Peach and Greninja ran up to hug Little Mac for winning the fight as Bowser Jr. was tending his father's injuries.

"I can't believe you pulled it off!" Said Peach ecstatically. "How'd you do that?"

Little Mac was confused by the sudden transformation himself. "I… I don't really know."

Greninja was showing signs of joy as well. Albeit in a slightly more subtle way.

Bowser barely got up from his fight which caught the attention of the three heroes.

"I guess you remember our wager right?" Asked Mac.

"...Fine. Me and my army will help you in your crusade against Galeem." Said Bowser as he swallowed his pride.

"And?" Asked the boxer forcefully.

"And you three get to keep your freedom." Mumbled the Koopa King through his injuries.

"Bowser." Said Peach as she was walking up to the King with aggressive intent and a frying pan in her hand. "The reason why we came here in the first place is to pick up a friend. Mr. Game & Watch. Where is he?"

"Don't worry princess. He's in your dungeon unharmed along with two others I captured." Responded Bowser.

"Then let's go down there and free him so that he can help us against Galeem." Said Little Mac.

The three heroes, along with Bowser and Bowser Jr, went back inside the castle and made their way inside the dungeon, which was the castle's basement level.

Let's hope he's happy to see me again. Thought Peach.