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"Mammon! (Mammon, save me!!!)"
Lunala cried out for help, noticing the furious aura behind it drawing closer and closer.
Damn it! Solgaleo's speed is clearly inferior to mine!
How can it run so fast after Necrozma possessed it?
"Dynamax Cannon!"
Crimson light condensed and shone, a massive red beam of light tore through the air, heavily striking Necrozma, Dusk Mane.
Boom!
Intense energy exploded, and thick smoke billowed out.
Amidst the turbulent energy, Dusk Mane Necrozma did a backflip to absorb the impact, sliding a distance before regaining its footing.
The colorful parts of its face flickered wildly, its fierce eyes fixed on the enormous bone dragon that had suddenly appeared opposite it.
"Phew~"
As Dusk Mane Necrozma was repelled, Lunala breathed a sigh of relief, immediately descending and landing behind Mammon.
"Mammon~! Thank goodness for you."
Lunala's telepathy conveyed deep gratitude; Dusk Mane Necrozma had almost caught up, truly terrifying it.
"You're welcome."
Mammon didn't mind Lunala shielding him; for this large bat, Necrozma's oppressive presence was indeed too strong.
Just as the White Dragon feared Kyurem, Necrozma was also an archenemy to the Sun and Moon Pokémon.
Even a light-deprived Necrozma could chase and overpower both Sun and Moon Pokémon; while power suppression was one aspect, Necrozma was also genuinely highly effective against them.
Because as long as Necrozma caught them, it could forcibly merge with them.
"Mammon, I beg you, please help me rescue Solgaleo. That guy is currently clinging to Solgaleo, absorbing its light!"
Lunala looked at Dusk Mane Necrozma, pleading with Mammon.
It understood Necrozma very well. Necrozma, currently possessing Solgaleo, would continuously absorb and seize Solgaleo's light and energy, acting entirely like a 'vampire'.
Solgaleo had now completely become Necrozma's 'power bank'.
"Don't worry, I'll help you."
Mammon narrowed his eyes slightly, observing the increasingly agitated Dusk Mane Necrozma.
This Dusk Mane Necrozma's power is formidable!
Both Lunala's Shadow Ray and Eternatus's Dynamax Cannon had hit just now, but Dusk Mane Necrozma appeared completely unharmed.
Shadow Ray is a Ghost-type move, which is super effective against Dusk Mane Necrozma. Even with Prism Armor for damage reduction, it should still be effective.
Yet, Dusk Mane Necrozma seemed completely oblivious. Of course, the power difference between the two also played a role.
As for Eternatus's Dynamax Cannon, Dusk Mane Necrozma inherently had resistance. However, Eternatus was currently brimming with energy, and even in its normal form, Eternatus's power was very strong.
This Dynamax Cannon merely pushed back Dusk Mane Necrozma with its force. To appear completely unscathed still seemed a bit exaggerated.
Should it be said that it lives up to its reputation as the 'strongest Legendary Pokémon' officially recognized before the seventh generation? Even without reaching its Ultimate form, it is still so powerful.
"Reshiram."
Mammon threw Reshiram's Poké Ball, then pulled Lillie onto Reshiram.
"Mammon?"
"We can't fight here; Aether Paradise will be destroyed. Let's find another place."
Mammon gestured for Reshiram to fly towards the sea, confident that with Lunala as 'bait', Necrozma wouldn't fail to follow.
Reshiram flew into the distance, with Lunala following behind and Eternatus bringing up the rear.
Dusk Mane Necrozma, of course, wouldn't abandon Lunala, its 'light source', and roared as it gave chase.
After flying for about ten minutes, they arrived above a deserted, uninhabited island.
Mammon turned his head; Dusk Mane Necrozma, shimmering with golden light, charged furiously towards them.
This was Solgaleo's signature move, Sunsteel Strike, but Dusk Mane Necrozma could also use it.
"Dynamax Cannon!"
Eternatus roared, and crimson energy rapidly condensed within its core.
Boom! Boom! Boom!
A total of three massive beams of light were unleashed consecutively, Dynamax Cannon x3!
After catching Eternatus, Mammon had Dark Mewtwo take out the Dread Plate and let Eternatus absorb its fill.
So, Eternatus was now in a state of complete energy abundance.
The three Dynamax Cannons heavily struck Dusk Mane Necrozma's Sunsteel Strike, forcefully scattering its attack.
Dusk Mane Necrozma was forced back once more.
"Lino!!"
Repelled for the second time, Dusk Mane Necrozma's aura grew even more volatile, roaring furiously at Eternatus.
Why was it stopping it? It wasn't looking for trouble with this big guy.
Eternatus's spotted dragon eyes were calm and unmoving, simply watching Dusk Mane Necrozma silently.
Seeing no response from Eternatus, the enraged Dusk Mane Necrozma charged ferociously again.
Eternatus immediately retaliated with a Dynamax Cannon. However, this time Dusk Mane Necrozma dodged by twisting its body, then opened its massive maw and unleashed a thick golden beam of light.
Photon Geyser, a Psychic-type move!
This was one of Necrozma's signature moves.
Boom!
Photon Geyser heavily struck Eternatus and exploded, causing Eternatus to let out a cry of pain.
The next moment, Dusk Mane Necrozma slammed violently into Eternatus's neck, its sharp giant claws on its back glowing with a keen blue energy.
Psycho Cut!
Dusk Mane Necrozma tore fiercely with its two giant claws, and Eternatus retreated, enduring the pain.
"Flamethrower."
Eternatus lowered its head, and a blazing column of fire engulfed Dusk Mane Necrozma.
Flamethrower hit.
Fire is super effective against Steel, but Dusk Mane Necrozma's ability is Prism Armor, which reduces super effective damage.
Dusk Mane Necrozma endured the flames and lunged at Eternatus again, fighting with a brutal, damage-for-damage style, expressing its current wild state of mind.
"It seems it's not completely without reason, but not much."
Mammon analyzed, seeing this. It was clear that Necrozma was not in a state of complete irrationality.
But honestly, its rationality was probably minimal, having been sealed since ancient times. The anger of having its light stolen, the pain of lacking light, and the resentment of being sealed.
All contributed to the creation of this frenzied Necrozma, Dusk Mane.
The battle between Dusk Mane Necrozma and Eternatus was incredibly fierce, even to the point of being tragic.
After all, Dusk Mane Necrozma fought without restraint, trading blows as if it wasn't the one getting hurt.
Of course, in a sense, that could indeed be said.
Lunala looked at Dusk Mane Necrozma with a pained expression, though it was Solgaleo it felt sorry for.
"Lunala, you know Necrozma, right?" Mammon asked Lunala.
"…Yes, I was possessed by it before."
Lunala responded with a low telepathic message. Those were memories it awakened after evolving.
Mammon understood, as according to ancient Alolan historical records, the 'Light Stealer' Necrozma had indeed appeared in the present world, taking Lunala and Solgaleo.
That's why the forms of Necrozma were named 'Dusk Mane' and 'Dawn Wings'.
So where did Lunala and Solgaleo go after being taken? Necrozma couldn't possibly let them go before absorbing all their 'light', could it?
Necrozma wasn't that kind.
Mammon guessed that perhaps after their 'light' was completely absorbed, Lunala and Solgaleo would revert to Cosmog.
If that's the case, this 'devolution' is quite mysterious.
Never mind, it doesn't matter.
"Lino!!"
Forced back once more by Eternatus's Flamethrower, Dusk Mane Necrozma finally couldn't contain its impatience and roared at Eternatus.
It was already uncontrollably frenzied.
The next moment, Dusk Mane Necrozma lifted its head, its body shimmering with light.
The once perfectly sunny sky darkened at an astonishing speed, as if long night had fallen.
Yet, in that dark sky, there wasn't a single star!
"It's dark??"
Lillie, sitting in Mammon's arms, looked up in astonishment at the dim, lightless sky. The sky was completely dark!
What was happening?
"All the light has been absorbed by this guy." Mammon's eyes flickered.
That's right, all the light was absorbed by Dusk Mane Necrozma, and not just in this one area.
But the 'light' of the entire Alola region!
On Melemele Island, a straw-hatted girl resting on a patch of grass was sipping coconut water.
The sudden darkness descended, and Selene looked up in surprise.
"An eclipse? No, that can't be right, is an eclipse that fast?"
Selene was bewildered. Although the sudden disappearance of sunlight was most likely a total solar eclipse, the speed at which the sunlight vanished was too quick.
And in just two seconds, the sky had completely darkened.
But if it wasn't a total solar eclipse, what could it be?
Selene thought for a moment, and unable to figure it out, she dismissed it and leisurely resumed sipping her coconut water.
"Tapu Koko, light a lamp."
Tapu Koko shimmered with golden electricity, illuminating its surroundings.
However, Tapu Koko was not as optimistic as Selene. This sudden disappearance of light reminded it of ancient times.
It couldn't… could it?
Above the nameless island.
"Lino! Lino!! Lino!!!"
Dusk Mane Necrozma roared with exhilaration; the overflowing 'light' within its body made it feel incredibly pleased at this moment.
And it was transforming!
Dusk Mane Necrozma glowed with an incredibly intense golden radiance. Within this brilliant golden light, Dusk Mane Necrozma's body was rapidly changing.
"It's coming!"
Mammon's lips slowly curved into a grin, his eyes also growing somewhat fervent.
This is what he had been waiting for!
The golden light was dazzling. The once dark world was now illuminated by this brilliant golden glow.
Within the golden light, Necrozma's form continuously changed; its head, wings, body, and legs all began to vaguely coalesce.
Accompanied by a materialized energy shockwave that rippled outwards.
Under the shocked gazes of Lillie and Lunala, a dragon-shaped Pokémon, bathed entirely in golden light, powerfully spread its four wings.
"Gwahhh~!"
A high-pitched dragon's roar echoed through the sky, and Ultra Necrozma descended!
'Its power surpasses all Legendary Pokémon that have appeared to date!'
This single sentence already proved Ultra Necrozma's power.
"This is what I wanted to see!"
Mammon broke into a wide smile. He wanted to see where Ultra Necrozma's limits lay!