"My warriors, remember the man before you. He is of the Emperor's blood, my nephew, and the Emperor's true grandson!
"He is Kratos."
Roboute Guilliman raised his weapon high, clarifying Kratos's identity to all the mortals and Space Marines gathered there.
At this critical juncture, it was imperative to explain exactly who Kratos was; otherwise, significant problems would inevitably arise.
Currently, the combat power Kratos displayed and the might he wielded made him look more like a Primarch than Guilliman himself, and more like a son of the God-Emperor than the actual son of the God-Emperor standing right there.
Without a suitable identity, ambitious individuals might try to manipulate the situation. Thus, Guilliman announced Kratos's lineage directly to everyone.
"For the great bloodline of the Emperor! Fight for the blood of the Emperor!"
"Fight for the great Kratos!" Led by Guilliman, countless Astartes shouted Kratos's name.
"Warriors of the Imperium, fight! Victory belongs to us, victory belongs to the Imperium, and glory belongs to the Emperor!"
Using the potent power of the Holy Light, Kratos manifested a pair of gigantic wings spanning over twenty meters and took to the skies.
These massive angelic wings allowed him to be seen by every warrior on the battlefield.
Living Saint Celestine also took flight, moving to Kratos's side, wielding her blade to fight alongside her fiancé.
"For the Emperor, purge these daemons." Celestine nodded to Kratos. She was incredibly satisfied with her betrothed; the power he displayed far exceeded her own, and it was undeniably holy.
Thank you, great Emperor, for sending him to me, she thought. We will fight for You together. I shall serve by Your bloodline's side forever.
"Fight! Fight! Warriors, fight!"
The spirited Space Marines suddenly felt an indescribable power surging from the bottom of their hearts.
Many Ultramarines, those who possessed righteous soul, luminous hearts, and unshakeable will, seemed to awaken a dormant strength. They did not realise that the power of the Holy Light was emerging from within their own bodies, rather than being bestowed upon them by Kratos.
Through contact with Kratos's aura during the battle, these worthy Space Marines finally unlocked the Holy Light themselves.
Ever since Sanguinius arrived in this universe and the power of the Holy Light was revealed, this force had become accessible to others, provided they had the consent of the Progenitor of Light, Sanguinius.
Minutes earlier, Sanguinius, who was speeding through the Warp toward the Baal System, sensed the call of the Holy Light from afar.
He felt those unyielding spirits. The warriors determined to fight to the bitter end for the Imperium, those who feared no sacrifice and no danger. These loyal and fearless souls deserved the favor of the Light.
"Go and fight! Warriors of the Imperium, I grant you the power of the Holy Light." In the Warp, Sanguinius spread his golden wings and transmitted motes of holy power across the void to Macragge, awakening the potential within countless Space Marines.
After doing this, Sanguinius beat his golden wings once more, hurrying toward Baal.
In the direction of Baal, he sensed a very familiar presence. It was not another person, but himself.
It was a version of himself that had already died, a soul wandering the Warp. Though dead, this world's Sanguinius was still attempting to save his sons, even if there was little he could do.
Two Sanguiniuses, entirely different.
The battle ended in a complete victory for humanity.
The Chaos fleet was almost entirely annihilated. Few Chaos Sorcerers or Daemons managed to escape Macragge.
Because Kratos wielded such potent Holy Light, he had even enchanted the weapons of certain Space Marines with its essence.
These weapons, imbued with holy power, possessed terrifying destructive capabilities, especially against the forces of Chaos.
The Space Marines who had fully awakened the Holy Light were even more formidable, capable of obliterating Chaos Daemons with their own strength. The daemons were no longer immortal; once killed by this power, they were thoroughly purified and erased from existence, with no chance of resurrection.
The entire planet of Macragge erupted in cheers that resembled the crashing of mountains and tsunamis.
They had won! The Ultramarines had protected their home world and defended their domain.
The Primarch Roboute Guilliman had fully awakened from his ten-thousand-year slumber.
"We are victorious! We have won this war."
"Roar!!
Upon his triumphant return, Guilliman immediately began his work as a Primarch. First, he formally announced the identities of Kasha, Axis, Kratos, and the others to the wider world.
A new generation of Primarch-level figures, a daughter of the Emperor, and a grandson…the Emperor's true bloodline!
This news would bring unimaginable changes to the Imperium.
Immediately afterward, the news of his awakening was broadcast across the 500 Worlds of Ultramar, and from there, it spread outward. The entire Ultima Segmentum, and indeed the entire Imperium, would soon receive the tidings.
For the next period, Roboute Guilliman began receiving the dignitaries of the 500 Worlds and his sons. He began to learn what had happened to the Imperium during his ten-thousand-year sleep.
The more he learned about the current Imperium, the more his heart ached, and the more helpless he felt.
It was a terrible era. It was a filthy era. It was a Dark Imperium.
Guilliman even found himself complaining internally. Why hadn't it been him who died back then? Why couldn't Sanguinius have survived instead?
If it had been him who died, then Sanguinius would be the one cleaning up this mess, and Sanguinius would be the one having to marry the High Prophetess of the Eldar God of Death!
The state of the Imperium was utter chaos. Internal corruption was rampant, and it had twisted into the very thing they had least desired.
When the Emperor founded the Imperium and gathered the Primarchs, he had promoted the Imperial Truth: there were no gods in this world.
But ten thousand years later, the entire Imperium had thoroughly transformed into a theocratic state.
An organization called the Ecclesiarchy had been born. This organization managed the faith of all mankind, and now his father, the Emperor of Mankind, had been worshipped as a god for ten millennia.
No wonder, Guilliman thought. No wonder Father has become so powerful.
One day, Guilliman called Axis to his chambers to discuss matters.
"Axis, the wedding with that Eldar woman will likely have to be postponed for a long time. I have urgent matters to handle. I must launch a crusade immediately to reach Holy Terra and claim my father's inheritance to lead the Imperium with legitimate authority. The tasks following that will be even heavier. I fear I won't have time for a wedding for another century or two," Guilliman said.
"What is so difficult about it? Start preparing for the wedding now. Get married in three days, right here on Macragge.
"Let your people cheer for you! After that, you will gain access to the Eldar Webway. We can travel directly to Holy Terra through the Webway. It's safe and fast," Axis replied with a smile.
Axis smirked internally. The Eldar God of Death is my solid ally now. Getting permission to use the Webway is a piece of cake. As for you, Guilliman, if you marry the Prophetess of the Death God, access to the Webway will be granted automatically. You could even move an army through it.
Axis knew that in the canonical timeline's Terran Crusade, Guilliman suffered heavy losses. More than ninety percent of the troops he brought were killed by Chaos forces, and he arrived on Holy Terra with only a remnant. Guilliman himself was even captured by his "unfilial descendant," Huron Blackheart. It was quite pathetic, considering Huron was just a Chaos Space Marine who had risen to power less than two centuries prior, yet carried Guilliman's own gene-seed.
Being defeated and imprisoned by his own metaphorical offspring was humiliating. It was no wonder Marneus Calgar constantly ended up on life support; the apple didn't fall far from the tree.
This world's Guilliman was far inferior to the Guilliman of Axis's original timeline, who possessed the power of the Holy Light and had consumed fruit from the Tree of Might.
"You don't understand, Axis. I don't know why you are so insistent that I marry her, but if it's political marriage we need, there are many people more suitable than me. As a Primarch, if I marry a xenos, how will my sons view me?" Guilliman asked helplessly.
"Naturally, they will learn from their Father! You might not know this, but there is already a half-human, half-Eldar hybrid serving right here on Macragge. Who knows? After seeing your example, some of the Ultramarines might go find Eldar girlfriends of their own," Axis said with a playful expression.
"You must be joking. Axis, this is no time for games. The entire Imperium is in imminent danger."
"Exactly. That is why you need to use the Webway to lead the Ultramarines to Holy Terra safely, efficiently, and quickly. So, hurry up and get married."
"Why are you so stubborn? Damn it, I really wish the one who woke up wasn't me. Why didn't you wake someone else, or find the other loyalist Primarchs? Or just let that other Sanguinius take my place," Guilliman began to complain.
Facing Guilliman's whining, Axis decided to persuade him properly. The method of persuasion would, of course, be the one Saiyans excelled at: brute force.
Axis unleashed Dragon Fist.
Guilliman was launched straight into the ceiling.
This was immediately followed by the Pegasus Meteor Fist.
Guilliman flew around like a kite with a broken string.
...
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ps?