Following their arrival through the Rainbow Bridge, Su Xiuyu, Madara, and Izuna stepped onto the blazing surface of Nidavellir. Strictly speaking, Nidavellir wasn't a natural planet—it was a semi-artificial forge-world. Its molten core was partially exposed to the surface, restrained only by a colossal artificial ring structure that wrapped around the planet like an anchor in space.
This harsh and industrial environment existed solely for one purpose—crafting weapons. The exposed neutron star core radiated intense heat, flooding the atmosphere with fiery energy. Even Su Xiuyu and Madara, both seasoned in battle and chakra control, instinctively raised their guards as waves of searing heat rushed toward their faces.
Nidavellir was a planet forged in flame, where Uru metal—one of the hardest substances in the universe—was melted in mere minutes by the neutron star's energy and shaped into godly weapons.
"Hi there. I'm Dick of the Dwarves. Got word from Odin himself—you three are here to forge weapons?" a towering figure with an unruly beard called out to them.
He looked nothing like the 'dwarves' Su Xiuyu had imagined—more like a walking mountain of muscle. But the sudden brilliance of the Rainbow Bridge's arrival had clearly announced their presence, and it hadn't taken the locals long to respond.
Madara blinked in surprise. "Xiuyu… aren't dwarves supposed to be short? These guys are giants!"
Su Xiuyu smirked. "According to some accounts, the dwarves worshipped a towering totem god. Out of humility, they called themselves dwarves despite their size. The name stuck through the ages."
Dick chuckled, clearly impressed. "That's the first time I've met an outsider who knows that much about our history. I'm starting to like you already."
"You're the one forging our weapons?" Izuna asked.
"Oh no, not me," Dick replied, shaking his head. "That honor goes to our king—Eitri. My smithing's nothing compared to his. You're distinguished guests, and only the best will do."
Su Xiuyu nodded. So Odin had indeed made arrangements. Without his intervention, the dwarves would never have treated them with such deference.
After a brief journey through the scorching forges and white-hot halls of Nidavellir, they arrived before Eitri, the Dwarf King. Like Dick, Eitri towered over them, his braided beard as thick as iron cables and his hands calloused from a lifetime of divine craftsmanship.
"Have you decided on the weapons you want?" Eitri asked, voice rumbling like thunder. "This is a rare opportunity. You can choose the type, the shape—everything. Once confirmed, we'll mold and forge them on the spot."
"I brought something special," Su Xiuyu said, stepping forward.
With a wave of his hand, a ripple of chakra opened a dimensional pocket. From it, he pulled out slabs of gleaming chakra metal. "This metal has remarkable energy-conducting properties. I'd like to know if it can be incorporated."
Eitri's eyes widened, gleaming with fascination. "I've never seen this before…"
"Test it. We're not in a rush."
To Eitri, this was the equivalent of a gourmet chef being presented with a mythical ingredient. His eyes sparkled like a mad scientist with a new experiment.
"And I've got more." Su Xiuyu opened another spatial compartment and revealed chunks of raw Adamant ore—the original kind, before refinement. "Hardest material. Took me weeks to gather this."
Eitri nearly lost his composure. "Incredible… I'll need time to examine these materials in depth. Only then can we plan the perfect forge."
"One more thing," Su Xiuyu added. "Can the final weapons be integrated with our abilities?"
Without waiting for a reply, he summoned part of his Susanoo. A massive ethereal hand, ten meters in length, surged into view, crackling with spiritual pressure.
Eitri's expression shifted from awe to reverence. "Is… is that your clan's power?"
"It is," Su Xiuyu replied. "This is Susanoo."
Madara and Izuna followed suit, manifesting their own partial Susanoo constructs—one golden, one blue, one orange.
"This..." Eitri was nearly trembling. "These are giants… no, something more."
"You wanted a full demonstration?" Su Xiuyu asked, glancing at Dick.
"We would be honored," the dwarf replied, practically glowing with excitement.
"It's massive, though. You sure the planet can take it?"
Eitri laughed heartily. "This is Nidavellir! Forged from neutron-star density! Half a planet made to hold a dying star—your magic won't even scratch it."
"Alright then. Madara. Izuna. Show them what we've got."
In an instant, three colossal Susanoos erupted across the forge-world.
Su Xiuyu's Susanoo loomed at over a thousand meters tall, casting a godlike shadow over the forges. Even this, however, wasn't his full strength. Madara and Izuna's giants stood only slightly smaller, but their presence was just as overwhelming.
Eitri stood in awe, mouth agape. "This is the power of your clan...? So your people can all summon such giants?"
"With talent and training, yes," Su Xiuyu said. "Though sizes and forms vary depending on strength."
The Dwarf King fell silent, humbled not by words, but by the overwhelming scale of power.
"I understand," Eitri finally said. "To forge artifacts compatible with these forms… I'll need to completely redesign the plan. The Uru stock we prepared? It's laughably insufficient for constructs of that scale—even with its adaptive properties."
"Then what's next?"
"I'll speak to Odin personally," Eitri said with conviction. "To craft divine weapons worthy of Susanoo… we'll need the full might of Nidavellir."
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Odin felt a twinge of unease as he watched the dwarves cross the Rainbow Bridge.
It had been a long time since the dwarves had visited Asgard directly. Their kind rarely left Nidavellir, as forging was more than just a skill to them—it was etched into their very bones, a sacred way of life passed down through the ages.
"Dick, what brings you here?" Odin asked, his voice deep and steady.
"Great King Odin," the dwarf bowed respectfully, "I come bearing a matter of urgency. His Majesty has already instructed us to assist the three Uchihas in forging their weapons. However, Nidavellir's reserves of Uru metal are critically low. We require more."
Odin's brow furrowed. "Dick, I recall that in the past several centuries, aside from Loki's occasional throwing blades, no one has used Uru metal. How is it that the reserves have run dry?"
Dick hesitated, then said, "Your Majesty, the three warriors in question—Uchiha Xiuyu, Uchiha Madara, and Uchiha Izuna—all possess a technique known as Susano'o. The weapons we craft must be compatible with their colossal avatars."
The mere mention of Susano'o made Odin wince.
He had faced Su Xiuyu before and knew firsthand the immense scale and power of that technique. While Susano'o wasn't quite 1,000 meters tall, crafting weapons compatible with it meant building them to incredible proportions. And artifacts forged from Uru metal weren't simple hunks of ore—they were imbued with enchantments, flexibility, and transformation properties. Still, the base material requirements were staggering.
Forging a weapon even close to that scale would be a monumental task. Simply carrying it would be a challenge, let alone the astronomical amount of Uru required. Odin knew even if they overturned all of Asgard, they wouldn't find enough of the metal.
"How much Uru metal are we talking about, exactly?" Odin asked wearily, already sensing he wouldn't like the answer.
Dick looked nervous. "...All of it, Your Majesty. All the Uru metal in Asgard's treasury."
Odin's vision swam for a moment. "All of it?" he repeated, almost in disbelief.
Even for him, this was too much. That stockpile had taken thousands of years to accumulate.
Dick, sensing Odin's reaction, quickly added, "Of course, even if we used every ounce of Uru metal, it still wouldn't be enough. We'll likely need to supplement it with other rare metals."
The King of Asgard exhaled slowly, rubbing his temple.
"I understand. Give me the list of supplementary materials you'll need. I'll order the guards to start preparing them. Transporting the Uru metal will be more... complicated."
As he spoke, Odin's heart clenched. He had made this promise already, and to back down now would be dishonorable. He could only grit his teeth and carry it through.
If Ragnarok is inevitable, he thought grimly, then perhaps it's better to trade Asgard's riches for protection—ensure a future for our people rather than cling to what will soon be dust.
Frigga stepped quietly beside him, gently placing her hand over his.
"These things are just material wealth," she said softly. "If Ragnarok comes, at least we'll have done something for the next generation."
She looked up at him. "You've always worried about Thor and Loki. And their sister… well, she was never one to follow the light."
Her words eased the tension in Odin's chest. He turned toward her with weary eyes.
"You're right. The Uchihas saved your life during the last attack. If we owe them, it's only just."
He paused for a moment, recalling a conversation from long ago. "I once considered offering all of Asgard to Uchiha Xiuyu in exchange for his protection."
Frigga raised an eyebrow. "Is he truly that powerful?"
Odin gave a rueful smile. "If I were a few thousand years younger, perhaps I'd say otherwise. But I must admit—we fought to a draw. Even then, I was at my peak, and now… I am not the god I used to be."
He glanced out toward the golden skyline of Asgard. "That battle showed me something else—he's begun to master divine power and rune magic. And it's clearly the result of what he learned during his last visit to Asgard."
A heavy sigh escaped him.
"He isn't Asgardian, yet his talent surpasses even the finest among us."
"And Thor?" Frigga asked gently.
"He's still yet to fully awaken his power. Compared to Hela… he and Loki..." Odin couldn't even finish the sentence.
Frigga chuckled lightly. "Children follow their own paths, my king. We can't lead them forever. We're their foundation, not their future."
Odin remained quiet for a moment before speaking again, his voice low.
"I can see Ragnarok on the horizon. I can feel my body failing, bit by bit. I've lived a life of endless conquest—subjugated the Nine Realms, carved Asgard's name into legend. And yet here I stand... an old god waiting for the end."
Frigga held his hand tighter. "You're still their father. And you've given more than anyone could ask."
"I just hope," Odin whispered, "that Thor and Loki won't be alone when I'm gone."
The silence between them was warm, if tinged with sorrow.
"Asgard is more vulnerable than ever. Even if Hela remains sealed... Thanos is still out there," Odin muttered. "He wouldn't dare challenge us while I yet live. But once I sleep... or die... he'll come."
He turned to Frigga, his voice grave.
"If it comes to that, don't let Asgard cling to the Infinity Stones. Let Su Xiuyu take them. I believe he will."
Still, his thoughts turned back to the Uru metal.
"Just thinking about the amount we're using gives me a headache," he muttered.
In the days that followed, the order was carried out. Uru metal, once hoarded deep in the vaults of Asgard, was shipped to Nidavellir in bulk. Alongside it, nearly every rare forging material from the royal treasury was pulled, categorized, and delivered.
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