Project Sonic Mania

by CPG Natsuki

The Phantom Ruby, a seed of the Dark Cloud, wants to destroy Sonic's world and restart a war of ancient times, but the sacrifice of two immortals prevented the destruction of the world. It is up to Sonic and a team of crossover characters to stop the Phantom Ruby's plans once and for all. This fanfic has five crossovers universes on it.

4. Rumble in the Hill: Sonic's world

Chapter 4: Rumble in the Hill

The Tornado was approaching at full speed towards Angel Island. It had not been long since Sonic and Tails defeated Dr. Eggman, returning the Master Emerald to its altar in Sky Sanctuary, and gaining a new ally in the island's guardian, Knuckles. However, the circumstances now were different. This time, Tails had detected a very strange energy that came from the island. In order to get to the source of that power before Eggman could use it for his plans, they decided to use the Tornado as a fast transportation method.

They did not take long to see the paradisiacal beaches again. Sonic told Tails to land on the coast. Once the wheels of the plane stepped into the sand, Sonic gets off the Tornado to take advantage of the speed boost and get ahead. When he reached the place where Knuckles had first knocked him down and stripped of the Chaos Emeralds, he stopped short.

Eggman had gone ahead.

Five robots from his elite battalion, the Egg Robos, creations that resembled egocentrically the figure of the malevolent doctor, had already arrived with a flying machine, capable of extracting the object that everyone was looking for. Trying to wait for the most appropriate moment to use their super speed and steal the object, Sonic and Tails decided to watch the maneuvers. One of the robots, who was giving the orders, signaled to start the work of the machine. This, extracting a large piece of land from the island, revealed a strange pink gem, which was not similar to the Chaos Emeralds or any other bright gem that was known in the realm.

- "Sonic, be careful...!" - Tails shouted, when the gem activates and teleports everyone involved to another place ...

Green Hill Zone. The home of Sonic. He never expected that, after the strange teleportation that had just occurred, he would return to that place. Nor that the Egg Robos were transformed into new forms. Could it be that this gem does more things than what Tails was thinking?

- "Oh no, Sonic! the robots have escaped with the gem... "- lamented Tails.

- "Eh...what? damn... Eggman got what he wanted yet again..." - said Sonic, with an air of frustration as he couldn't react quickly enough to the surprise teleportation.

- "Don't worry Sonic. If we arrive in here, it means that Eggman is on this island. We will find his base and recover that gem "- said Tails, enthusiastically.

- "Agreed! Tails, time to follow me, we'll start a new advent... "-

Before he could finish the sentence, Tails told Sonic to turn around. Three portals appear in front of both of them. Before they could ask what does it meant, beings began to appear from the portals. The left portal threw two children with very similar sweaters, two goats (of which one wore a crown and had a beard), two skeletons of different sizes, a fish girl and a giant lizard with a laboratory coat. From the second portal, the middle, ejected a boy with summer clothes, an elegant lady and another boy, who was clearly crying and holding a kind of mouse with huge tail and ears, in addition to a strange portable machine with eyes and a giant purple bat. From the third portal, on the right, which appeared above the others, four girls fell, two with swimsuits, one with a hat and a giant pistol, and a fourth one with a lens in one of their eyes. All seemed ready to battle.

- "Are you alright?" - asked the boy with blue sweater and purple lines.

- "Oh for the love of Arceus! Sun, Hau, are you okay? Good thing they didn't get injured and Nebby could cushion our fall. " -Exclaimed the young lady, scared.

- "Girls! Damage report. I can't connect with ALICE. We are in some kind of ... tropical jungle ... I see water, palm trees and some flowers that ... seem to jump. This damned day seems to be getting worse and worse... What kind of annoying virtual reality is this?"- said the girl connected to the battle weapons, with a rather annoying tone.

- "Wait a moment! First, we are transported from Angel Island here to Green Hill, they steal a strange gem and now all these persons have appeared ...out of nowhere. Tails, could you give me an explanation for this?"- Sonic complained.

- "I don't know, Sonic, I need more time to analyze this-..." -

Before Tails could complete his sentence, Chara and Sans quickly rose from their fall and exclaimed among themselves: - "So this is the famous Sonic, the robot that sent us back to the Underground." - Sun and Hau adopted a position of battle, and Lillie spoke for them: - "You! You are that ugly robot that attacked the city and almost killed my poor Nebby ... -

- "Well, it seems that we have found the idiot who sent us to the Tower of Bonanza, and all of us have the same objective, from what I see." - Bernoulli said confidently.

- "Robot? What the hell are you talking about? Also, how could I supposedly visit your worlds if we were just transported here, just like you? "-Sonic claimed, but he only gained an even bigger hatred.

- "Friends and dudes, I don't think this Sonic is the one we are looking for ..." - began to say Frisk, but before being able to argue, Undyne interrupts them.

- "Shut up, Frisk. I think we are all in agreement that this is the "Sonic" we are looking for. Who wants to take the first step to eliminate it? "- Undyne asked, with a face that perfectly symbolized "you're fried ".

Toriel gets up and attacks Sonic with her flamethrower magic, launching various fireballs. If it were not for the speed of Sonic and Tails, they would have become barbecue. - "This is for my children, monster." - she exclaimed.

- "What is happening to all of you? We are the heroes here! " - screamed Tails, who tried to avoid the water attacks that Mobius and Froid, visibly annoyed, launched, and the flames that were thrown at him by the hands of Toriel and Asgore.

- "DIE YOU DAMN RODENT!" - yelled Undyne, firing her magic spears. Turing took the opportunity to speak to Undyne: - "Fish woman, I see you're a warrior like me, let me give you some help." - With a touch on Turing's visor lens, Undyne's arrows became giant as they fell, which left her in ecstasy: - "SURPRISING...HAHAHAHAHA!".

- "Tails, take me flying and get out of here!" - said Sonic in a tone of urgency. Unfortunately, every time Tails took Sonic and tried to take off using his tails, Nebby was launched to attack Tails, which forced them to land. At each landing, they had to dodge Sans's bone attacks, which were quite unpredictable and appeared from almost all the terrain.

Sonic and Tails fled the first act of Green Hill, but were cornered when they reached the end of the level, because at that very end appears the mini-boss that Eggman left, a pair of robotic heads that resembled the face and moustache of the doctor and were connected with a giant chain. Seeing that Sonic and Tails did not decide between confronting Eggman's robot or the whole group that was chasing them, Turing's face began to show more emotion than ever since the beginning of the day.

- "Surrounded. I got them. This is for ALICE. Jade Thesis! "

Turing opened the barrels of her torpedoes, and gestured to everyone to launch their attacks into the compartment of the left torpedo.

- "Wait! Miss Turing, don't you think we may be making a mistake? This Sonic does not look like a robot ... "- tried to point out Frisk, who has always been the one who hates conflicts. A look of hate from Turing's glasses was enough to stop the attempt to reason peacefully.

- "Hasta la vista, robot. With this combined attack, there will not even be a circuit left on the ground. "-

- "What will we do Sonic? That child is the only one who believes us and no one hears him, and we can't destroy Eggman's machine like this... "-

- "Well, the obvious, Tails... We will face this attack with honor and run."

Turing fires the cannon. A bright green ray of light comes out in the direction of the heroes … Tails embraces Sonic scared. He only manages to watch as the lightning approaches them, while he thinks to which place he could flee ...

- "BY THE LIGHT!"

Another ray of light hits directly on the Turing attack, canceling between both centimeters near impact with Sonic. The reinforcements had arrived.

- "What do you think you are doing? Are you idiots? "- said angrily one of the girls who came flying from the sky. This girl was the Star Guardian Poppy, who also reduced Eggman's robot to nothing, causing the end-of-stage marker to begin to descend from the skies.

- "Well, if they want to attack, they could tell me to join their party first, hahahahahahaha!" - Jinx shouted as the two Guardian teams landed in front of Sonic and Tails, trying to act as human shields.

- "This is ridiculous! Why are these silly disguised anime girls defending the robot? " -Undyne yelled, approaching dangerously with her spear to the captain of the second team, Ahri, who was cleaning the nine tails that appeared every time she became Guardian, and caressing to her relative, Kiko.

- "First of all, your fashion style is HORRIBLE, your pirate patch makes you look bad, pretty." - began to say Ahri- "The second, obviously, is that you all have zero strategy capabilities." - Ahri approached Frisk, and consulted them about their name. After they answered, Ahri continued: - "None of you heard what this child was saying, don't you?" -

- "And what is it that we are supposed to listen to?" - Lillie said to Ahri, staring at her.

- "Oh, your dress does match your personality, white suits you, but not as well as me. Are you trying to impress your friend with the summer shirt? "- Ahri winked at Lillie and Sun after saying these words. Instantly, she and Sun were left with their faces red with shame.

- "What Ahri is trying to say ..." - said Lux, the captain of the first team and responsible for the attack that saved Sonic and Tails, - "is the obvious. Could you tell me what part of this blue hedgehog looks robotic? "-

An overwhelming silence filled the room, while everyone realized that Sonic had no robotic parts. When they realized the mistake, everyone was ashamed and tried to apologize, except Frisk, who made a gesture of victory, and Turing, who took off her lens and began to hit it in frustration because, having no connection with ALICE, she couldn't receive the alert that she was attacking a biological way of life and acting against Asimov's "Three Robot Laws" and ALICE programming. Sonic smiled and Tails frowned. Papyrus went ahead to the whole group to give a general apology.

- "Dear Mr. Blue Hedgehog, I, the great master chef Papyrus, want to apologize on behalf of all of us for our mistake, and I will personally fill you with spaghettis in compensation." - Asgore, as the representative of the monsters, made a sign to Papyrus and began to speak: - "My name is Asgore, I am the King of the entire nation of Monsters. We hope that this error does not influence our possible friendship and collaboration, but we have confused you with a robot that attacked our worlds and also called himself Sonic... "-

- "Metal Sonic!" - Sonic and Tails looked at each other and said the name of their robotic rival in unison - "This means that Dr. Eggman is behind all this disaster." -

- "Currently, that Dr. Eggman that you mention is actually getting into a major disaster that he will not be able to understand. We should save him too."- Soraka, another Star Guardian, answered mysteriously while healing everyone's wounds with her magic staff. Toriel was also applying her healing magic to help with the task.

Sarah Fortune, who is colloquially referred to by her friends as "Miss Fortune", and who is Ahri's right-hand woman, took the floor: - "Were all of you attacked by a strange being, who had reddish tones, and who caused strange things to happen? "- Everyone nodded.

- "He took the form of Flowey, he called Metal Sonic, who had a kind of diamond, and he returned us all to the Underground, when we had already reached the city on the surface" - sighed Frisk. - "Then he created a portal out of nowhere and we appeared here, and I still want chocolate." - added Chara.

Lillie, speaking on behalf of Sun and Hau, exclaimed sadly: - "A strange flower left Metal Sonic fighting a Pokémon battle against us and had destroyed the city. We almost lost Nebby if it were not for Sun. The strange thing is that when we won, the city returned to normal, and then the portal appeared. "-

Mobius said: - "Someone gave us a mission to take care of a new unit. Turing, as a good companion, is ahead of us and already had it in her power. When we reached the destination, the unit that is responsible for distributing and assigning the new units had reddish tones instead of the bright colors and the joy that it always infects, and made us fight with the most powerful enemy of ALICE in her palace. When we won, we went back to where we had left the new unit. Then the portal appeared and we ended up here. "

- "If what all of you say is true, and because we were teleported to Green Hill too, it seems that the gem we saw and the disasters that you suffered are connected." - said Tails, proud of his theory.

- "You are right, baby fox." - whispered Janna, counselor of Lux and her team, as she came to pat him on the head, as if Tails was a puppy. - "That gem is called the Phantom Ruby, and it's very dangerous if it falls into the wrong hands. We came here to find Sonic and join in his adventure, on behalf of the Prime Star, but I see that, in addition to us, a good amount of strength has arrived. "

- "We should introduce ourselves, yes, Pix approves!" - Lulu exclaimed enthusiastically.

- "True. I will start, my name is Frisk, we are from the Underground, the kingdom of the Monsters. This is Chara, he is human like me, and these are my friends: Mama Toriel, Asgore, the great Papyrus, Sans, Undyne and Alphys, who is a scientist. "- Frisk said, as they pointed them all. Tails and Mobius exchanged glances with Alphys, who smiled at them nervously. Having one more inventor would always be good for them, if they need to analyze the strange events that were happening.

- "My name is Lillie, we are from the Alola region, it's a pleasure to meet you all. They are my best friends, Hau with his faithful Raichu, and Sun, who was named champion of the Pokémon League a day ago, and is a good trainer. Oh! And he's Nebby, don't get scared by his size, he's very friendly, haha. "- Hau was internally surprised that Lillie named him first, and Sun watched the rest of the teams. Tails was surprised by the size of Nebby and how friendly he was with everyone. Nebby approached Jinx, who started playing with him and her relatives, Shiro and Kuro.

- "I am Turing, a legendary battle unit of ALICE. They are Mobius, Froid and Bernoulli, also powerful on their own merits, forgive them for wearing swimsuits at a time as serious as this. "- Froid smiled and Mobius looked embarrassed to the floor. - "We are under your command. Sorry for the mistake. It will not happen again. "

- "I'm Lux. My team is made up of my friend Jinx, Poppy, my counselor Janna, and Lulu. The second team has Ahri as captain, and her relative Kiko. Her teammates are Sarah Fortune, Syndra and Soraka. Ezreal stayed in Valoran. We are Star Guardians, and we traveled at the request of the Prime Star to prevent disaster in this world. "-

- "OKAY! I am Sonic, Sonic the Hedgehog, and he is my best friend and companion Miles Prower, but you all can call him "Tails", he is a natural inventor and the best brother I could find. It's always good to have more helping hands. "- he says with a big smile. Tails was also very happy to have new allies.

- "Hi, I'm Tails, Sonic's partner. It will be great that you can join our adventure. Unfortunately for you, Sonic can run at great speeds and I don't think any of you can follow us so fast. But I have a great idea. If there is someone else who is an inventor, I will need your help. "- Alphys and Mobius approached Tails to know what his idea is about, but before that they could plan nothing, the Guardians took advantage of sharing with everyone the history and information they knew. If all the team wanted to defeat an enemy that seemed to be powerful, Sonic would need as many right hands as possible.

- "Moment!" - Chara yelled at some point of the retelling, watching Frisk with amazement, and Lux, who was telling the story - "Did you say SAVE POINT? Frisk, those are the ones that you could use with your Determination, but something is not right, we thought that they only worked in the Underground... "-

- "This is because the king of humans, which the ancestors of Asgore and Toriel knew, also had the power of Determination." - corrected Frisk. - "If I understood correctly, Lulu and Soraka are the ones that communicate with their Prime Star. Didn't she tell you where that save point is? "-

Soraka had no idea and shook her head, but Lulu, who was writing something on some sheets of paper, gave one of the sheets to Frisk: - "This is all I know. And I couldn't paint it, Oh well... "-

When everyone came to read the sheet, it had written a kind of poem: "Amy loves spiders." Of course, as Lulu is quite special, half of what the poem seemed to say was written in scribbled letters, or scratched with drawings of cupcakes. The only two things that were clearly understood were the title and who the author was, "Natsuki. For the stupid festival. I hate you, Monika. "

- "Well, it seems that this "safe point" is in the place where this "Natsuki" is. And she hates spiders, I hope she never has to meet an Aquaranid, right Raichu? Hahahahahaha." - Hau and his Pokémon were proud of the joke about the arachnid Pokémon, but everyone looked at him with a disapproving face, and Poppy corrected him with a neutral voice: -"SAVE point."-

While everyone tried to elucidate about the poem, and why this was the only clue they had, Alphys, nervous, asked for everyone's attention. Undyne approached Alphys to take her hand and give her strength to speak, an action she always does since they were a couple.

- "Well, as the fox explained to us about the superspeed problem, we were designing a means of transport that would allow us to follow Sonic. Fortunately, this Dr. Eggman, as you call him, is a fan of building robots with large quantities of pieces, so without further ado, Tails, could you present what we built? "-

Tails shouted enthusiastically while pressing a button on a remote control: - "Sonic, look what we built!" -

Everyone was amazed at what appeared before their eyes, from the sea. A giant flying ship, with turbine engines and enough space for all to enter, appeared from the surface of the ocean. The ship was shaped like a dragon's head, but with giant windows for visualization instead of the eyes. Instantly, Sans recognized it as a giant "Gaster Blaster". Mobius noted that the flying Gaster Blaster had enough space for everyone to travel in, and that also she designed a compartment where they could store the Chaos Emeralds, and improved the operating system that Alphys and Tails had designed to connect to the ALICE network. They even built a turntable on the ship, at the request of Froid, since she wanted to share music with Sonic and Tails through some portable headphones that she had given to all the team. "I will be the best DJ in the world, and everyone will love me!" - she said almost singing.

- "Well, what are we waiting for?" - Sonic told everyone - "You can follow me from the ship, we will have to go through all the areas of these islands to find the secret base of Eggman. If he is using the Phantom Ruby, we can remove it and find that SAVE POINT. Come on!" -

- "And I can also know who that Natsuki is. I also hate spiders"- he said in his mind, as he started to run.