The Divine Tower

A handsome young man floated in the air inside a barren white room, gazing intently at the blue screen before him. He had short black hair and deep purple eyes. This was Noah Saint, a young man from Earth who had succumbed to cancer. When he opened his eyes, he discovered himself suspended in this white expanse, reading the words displayed on the blue screen. 

[ Welcome Host to the Divine Tower system 

This system is a special system used to help the host design a powerful tower that is known throughout the multiverse. Please read the instruction guide in the host's inventory]

Noah was honestly overwhelmed by his situation, he a few minutes ago was lying in his hospital bed holding his parents' hands as they were comforting him about his impending death. Then when he opened his eyes he was floating in an empty white space with a system telling him he was the owner of The Divine Tower system. He spent a while calming himself down and reading the guide. Once he finished reading the guide he smiled since this was something he dreamed of. He took out the system pannel and began to imagine what the first floor should be. 

The system allowed him to create floors for his towers by using tower points. He received tower points from multiple things like how many people died, the impact of the tower, the reputation it gained, and the stronger the enemies died in his tower. It was noted that when a person dies in the tower they get sent back to their original world and can't enter back for a week, they also receive some sort of punishment. Noah honestly liked this feature since he could farm the people invading and he wouldn't cause needless death for his benefit. Noah could not only use the tower points to improve the tower but also to strengthen himself and make a new body. He realized he was in a spectral form and had no actual body, as he thought about what he could do for the first floor since it was free. He needs it to be good, something powerful, but not too powerful, and it should leave a huge impact on the tower visitors.

Thats when he remembered a game he loved to play and one of his favorite bosses. The game was Elden Ring and the boss he thought of was the mightiest demi-god before the shattering General Radahn. He decided to make his first floor based on the Radahn festival, later off in the tower he would create a floor for Promised Consort Radahan. He started making the environment like Caelid, he also added NPCs that would explain the lore of Caelid. He made the enemies stronger the closer they got to fighting Radahn, he added treasures in the places of interest around Caelid. These things were things like magical herbs, spells, weapons, smithing materials, and pieces of armor. Once he finished with all that he added Jerren in the spot he is and made it require 100 people at the minimum to start the Radahn festival, but he changed it a little. Lastly, he added Starscourge Radahn and made it so whoever contributed the most would get Radahn's sword and bow. 

Noah looked at the first floor and honestly thought he may have gone a little overboard but was excited to see what kind of people would enter his tower. He looked at the button on his system screen which said finish and open The Divine Tower, he pressed the button and waited excitedly. As Noah waited for people to enter his tower, many worlds were experiencing a shocking event.

In many different worlds across the multiverse, A majestic marble tower suddenly appeared in the center of cities, on remote islands, on top of mountains, and in other locations. Once the Tower appeared a Golden light shot up into the sky. The golden light carried a lot of magical energy which spread across the area where it appeared causing the people near it to absorb a little magical energy. Suddenly a voice could be heard across the entire world and dimensions connected to the world. 

" The Divine Tower is now open. Those seeking adventure, wealth, power, or something else may enter to achieve their wildest dreams." The voice's words left many with a burning passion to enter the tower while leaving others 

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MCU 

Nick Fury stood with his arms crossed, staring at the holographic map of New York City displayed in front of him. His one good eye fixated on the flashing red dot, the newly appeared tower in the heart of the city. Natasha Romanoff and Clint Barton stood beside him, waiting for orders.

"Alright, listen up," Fury's voice was calm, but carried authority. "A tower doesn't just show up out of nowhere in the middle of New York without someone wanting us to notice. I don't care who or what's behind this, but we need eyes on it. And fast." 

"You think it's hostile?" Natasha asked, arms casually folded, and raised an eyebrow but kept her usual cool demeanor.

"I don't think anything yet. That's why I'm sending you two. Get in, assess the situation, and report back. If there's trouble, handle it quietly. I don't need another incident plastered on the news." 

 "Yeah, 'cause sneaking into a mystery tower in broad daylight is totally gonna fly under the radar." Clint shrugged and joked as he adjusted his quiver, His sarcasm drew a smirk from Natasha.

"Just do your job, Barton. And keep the jokes to yourself." With a nod, Fury dismissed them, turning back to the hologram, the tower radiated golden energy in the heart of the city.

Tony Stark stood at a podium, flashing a charming grin to the crowd of reporters in the conference hall. He'd just wrapped up his presentation on Stark Industries' latest clean energy initiative when he felt the entire city tremble and a golden light shot up into the sky. His smartwatch vibrated and glancing down, he saw JARVIS's notification.

"Alright, JARVIS, what's going on, please tell me this isn't some flashy new energy source trying to one-up me," Tony asked jokingly since he was sure that no one could create a new energy source and outshow him.

"Sir, a structure has appeared in central Manhattan. No prior readings indicate construction activity and satellite data confirms its sudden emergence." Tony's brow furrowed, his usual cocky demeanor fading slightly.

"A tower? Just popped up out of nowhere? Okay, that's new. What are we looking at here, J? Magic, aliens, or some guy in a weird costume trying to get my attention?" He chuckled, but it was more out of disbelief than amusement. 

"It's unclear at the moment, sir. However, energy readings from the tower suggest technology not currently known to Earth." Tony's smirk returned, his curiosity piqued.

"Of course. Nothing normal ever happens in this city. Alright, clear my schedule. Let's go see what the mystery tower's all about. Make sure the suit's ready, I've got a feeling this isn't a casual visit." He straightened his suit, heading toward the exit.

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Bleach World

In the grand hall of the First Division, the captains of the Gotei 13 stood in a semi-circle, facing the imposing figure of Head Captain Yamamoto. The air was thick with tension, still lingering from Aizen's betrayal, but duty called them to focus on a new issue. Head Captain Yamamoto stood at the center, his ancient eyes fixed on the report in his hand.

"A tower... has appeared in Karakura Town." His voice, low and commanding, echoed through the hall as the captains shifted uneasily.

"A tower, sir? How is it that such a structure appeared without detection?" Soi Fon's sharp gaze darted between her fellow captains.

"Well, it's not like Karakura Town is exactly quiet these days, Still, this sounds like something more than your average disturbance," Shunsui said, lazily tilting his hat forward. "Still, this sounds like something more than your average disturbance." 

"If this tower is tied to the spiritual fluctuations we've been monitoring, it could be dangerous. We can't afford to let another unknown entity disrupt the balance." Captain Hitsugaya, standing with his arms folded spoke his concerns.

"A mysterious tower, huh? Sounds like a good time. I've been getting bored around here." Kenpachi Zaraki grinned widely, his lieutenant Yachiru perched on his shoulder, looking completely unfazed.

"Zaraki, Hitsugaya, you are to investigate this anomaly. Take your lieutenants and assess the situation. If it poses a threat, eliminate it immediately. If those two don't return within 3 days Shunsui you are to head there." Yamamoto's eyes narrowed as he considered the options. After a moment of silence, he made his decision to send Toshiro and Kenpachi there and to have Shunsui as backup. 

"A tower, you say? In Karakura Town?" His voice, smooth and calculating, barely hid his interest. He placed a finger to his lips, pondering the implications. The appearance of such a structure in a spiritually rich place like Karakura Town was not something to be ignored.

"Seems like things are getting more interestin', don't they? Could be someone's playin' a game we didn't get an invite to." Gin with a sly smile spoke as he waited to see what Aizen would say next. Aizen's eyes narrowed slightly, his mind already working through possibilities.

"Perhaps. Or it could be something that ties into the larger plan. Either way, it warrants investigation. Send Grimmjow and Szayelaporro. If the tower is of any use to us, I want it claimed. If it proves to be a threat... have them deal with it." Aizen leaned back on his throne, his gaze turning cold and calculating.

"Grimmjow'll be thrilled. You know how much he loves to fight." Gin chuckled softly, his grin never wavering and his thoughts unclear.

"Let him enjoy himself. But remind him that results come first." As Gin left to carry out the orders, Aizen's gaze drifted toward the distant horizon of Hueco Mundo.

'A tower in Karakura Town… Is this just a distraction or a part of something greater? Either way, I'll soon have my answers.' Aizen thought to himself and closed his eyes, his thoughts returning to his grand plan.

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DxD

In the heart of the underworld, the four Satans gathered around a round table in a grand hall examining the report in their hands. Sirzechs Lucifer of the Gremory Clan stood at the head, his crimson hair shimmering in the low light, his expression serious. Ajuka Beelzebub of the Astaroth Clan sat to his left, eyes sharp behind his glasses as he processed the latest reports. Across from them, Serafall Leviathan of the Sitri Clan twirled her staff, her usual cheerful demeanor dampened by the current situation. Falbium Asmodeus of the Glasya-Labolas Clan slumped back in his seat, wearing a lazy smile but with a glint of interest in his eyes.

"It seems Rias and Sona have encountered something unexpected in Kuoh, a tower has appeared, seemingly out of nowhere." Sirzechs said as he glanced over the report in his hand.

"A structure of that size materializing without any prior spiritual disturbance is… troubling. Even our advanced monitoring systems picked up nothing before it appeared." Ajuka adjusted his glasses, his frown tugging at his lips as he read the report.

 If that tower is connected to something dangerous, it could put Rias, Sona, and the entire town in jeopardy." Serafall sat up, her usually sparkling eyes filled with worry for her sister and her friends.

 "Rias and Sona's safety is our priority, and we can't let this tower disrupt our plans, especially with the alliance talks with Heaven and Grigori just around the corner." Everyone in the meeting room nodded their heads agreeing with Sirzechs words.

"I'll make sure to speed up negotiations with Michael and Azazel. We can't afford to wait on this any longer." Sarafall stood up and went to begin talks with Micheal and Azazel while Sirzechs and Grayfia both volunteered to take their peerage and investigate the tower.

In the divine realm of Takamagahara, Amaterasu sat on her throne, radiant and regal, though her usual serene demeanor was marred by frustration. Susanoo, her brother, leaned casually against one of the temple pillars, watching his sister with a bemused expression as she vented her irritation.

"This tower in Kouh has thrown everything into chaos! It appears out of nowhere, and now every god from every pantheon is suddenly interested in Japan." Amaterasu complained as the heat inside her throne room began to heat up. Susanoo smirked, his arms crossed lazily, and spoke.

"Well, can you blame them? A magical tower sprouting in the middle of human territory isn't exactly common. And it's not like the other gods have been known to pass up on the chance to stick their noses where they don't belong." 

"It's more than that, Susanoo. The Greek gods, the Norse, and even the Hindu pantheon, they're all requesting permission to send forces into our land to investigate the tower. They seem to forget this is Japan. Our domain." Amaterasu frustration grew the more she thought about the endless requests and some curious people trying to sneak into japan.

"Can't say I'm surprised. Give them a mystery, and they'll come running. The fact that it's in Japan just makes it more… enticing for them, doesn't it?" Susanoo's causal attitude made Amaterasu upset since she was the one who dealt with the other factions while her brother was out causing trouble. 

"We need to buy time. I'll delay their requests, and claim that we're investigating it ourselves. That should keep them at bay for now. I want to understand this tower before allowing anyone else to step foot in our domain." After calming down she sent a few of her subordinates to go investigate.

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As time passed across the many different worlds, people gathered at the doors of the tower in their respective worlds. Seeing a blue portal at the entrance, as they all entered they felt their environment change from the one in their home world to a hellish wasteland. As more people entered they noticed many different people already there but a giant blue barrier had blocked off the path to head deeper. As the people familiarized themselves with the surroundings they all noticed each of them had a small brown bag, the bag was a spatial bag where they could place a few items inside. The only thing inside the bag was a greyed-out map with one checkpoint on it called Smoldering Church. As more people entered more tension built, a few people tried attacking but found themselves restricted but some magical force from attacking others. Just then a blue screen appeared in the air, and on the screen was a rugged figure, clad in tattered, patchwork clothing and heavy armor, and his face was obscured by a weathered hat and a veil of cloth. The Man opened his mouth and spoke to the tower's participants. 

" Champions, welcome! The stars have aligned! The festival is nigh! General Radahn, mightiest demigod of the Shattering, awaits you! A celebration of war! The Radahn Festival! Explore Cailed and Locate the Redmane Castel and once 100 people arrive the battle shall begin." Once the blue screen disappeared the barrier dispersed and all restrictions on the people on the tower were realsesed. People all left where they were and began their journey in the tower.

A.N. Leave a construction criticism in the comments or any questions you have about the story and I'll try my best to answer them.