Seeing Xu Tianhao's excited expression, Electrolux did not let him down.
Electrolux said slowly, "Since you have taken me as your master, as your teacher, I should naturally give you a master-disciple gift."
Xu Tianhao feigned ignorance, "A master-disciple gift? Teacher, you are currently only a wisp of a remnant Soul, please do not waste your own power."
Facing Xu Tianhao's concern, Electrolux smiled slightly, "It is no matter."
As his voice fell, Electrolux extended his right index finger and quickly traced in the air; a strange gray hexagram Formation quietly formed beneath Xu Tianhao's feet.
Accompanying the Formation's completion, Xu Tianhao did not offer any resistance as a deep black hole swallowed his body.
Xu Tianhao only felt his vision blur for a moment. Once the tremors of spatial travel faded, what entered his sight was a World of dim light.
Xu Tianhao stood there tall, and he could clearly feel that this space was filled with the aura of death.
A strange purple sun hung in the sky, and as far as the eye could see, everything was desolate.
The ground was uneven, the soil resembling ink-stained earth with no plants existing, and a cold, grim aura surged from all directions.
A surge of pleasant surprise suddenly rose in Xu Tianhao's heart: "The Undead Semi-Plane!"
Electrolux stood beside Xu Tianhao, looking at this space as he fell into memory: "Tianhao, this Undead Semi-Plane is my gift to you."
"The original intention of my creating it was to study a type of Necromancy; in the terms of your Douluo Continent, it was to study a Spirit Ability."
"I left thirteen types of undead creatures here. After thousands of years of slaughter and evolution, I do not know how many powerful undead have been born in this Undead Semi-Plane."
"From today onwards, you shall become their Dominator; the undead of an entire realm are at your beck and call."
Hearing Electrolux's words, the excitement in Xu Tianhao's heart grew even stronger.
The space of this Undead Semi-Plane was as large as a giant city, and it contained countless undead such as various Skeleton Soldiers, liches, Death Knights, and Abominations.
If such a massive number of undead were released all at once, even if they were just used as cannon fodder, the sheer human-wave tactics could probably drown several Titled Douluo!
Xu Tianhao marveled silently in his heart; as expected of the former Holy Necromancer, the Scourge of Undeath, Electrolux.
With this Undead Semi-Plane, the room for maneuver for Xu Tianhao became even greater.
Setting aside the various powerful existences within this Undead Semi-Plane, just this vast space alone could serve as a large-scale transit station.
If a war were to break out in the future, he could directly place an army and a large number of Spirit Masters here, infiltrate the core area of the enemy's Formation alone, and release them all at once—it would be an absolutely terrifying strike!
Most importantly, if he encountered a super existence that he couldn't defeat in the future, hiding directly in here would also be a life-saving Divine Artifact!
Xu Tianhao suppressed the excitement in his heart and turned once more to bow to Elder Yi:
"The surprise you've given me is truly massive. Just this Undead Semi-Plane alone can solve many problems for me!"
Electrolux smiled slightly, hiding his merit and fame: "Tianhao, come and get to know this World of yours."
As his voice fell, Electrolux pointed into the distance. Xu Tianhao walked forward slowly, and after crossing a hill, a vast expanse of white-boned skeletons turned their heads in unison. Pale green Soul fires flickered in their eye sockets, numbering in the hundreds.
Noticing Xu Tianhao's figure, the skeletons dazed for half a second before immediately launching a fearless charge toward him.
The aura of life held a fatal attraction for the undead, let alone Xu Tianhao, who had absorbed the gold of life and was comparable to a peerless precious medicine.
Devouring flesh and blood was beneficial for evolution; any undead creature could reach the peak through continuous evolution.
In a matter of moments, seven or eight skeletons were the first to rush up.
Their weapons were their own bodies; they extended pale bone claws and lunged straight for Xu Tianhao's chest.
Skeleton Soldiers were the lowest-tier undead creatures in the Undead Semi-Plane; the strength of most skeletons was merely at the level of a Spirit Scholar.
The slightly stronger ones could touch the threshold of a one-ring Spirit Master.
To deal with them, Xu Tianhao didn't even need to use his Spirit. With a casual sweeping whip-kick, the Skeleton Soldiers at the very front were hit by this terrifying attack that was like an iron whip, instantly shattering into a pile of bone shards.
With Xu Tianhao's current physical constitution, which had been refined once again by the gold of life, a mere group of Skeleton Soldiers was completely beneath his notice.
After the Skeleton Soldiers shattered, the Soul fires that were originally flickering in their skulls did not extinguish; they instantly soared and fled toward the distance.
Right at that moment, Electrolux made his move.
With a gentle wave of the staff in his hand, all the Skeleton Soldiers and the fleeing Soul fires were as if gripped by a giant hand, then trampled together.
In just the time it took to breathe, everything that was originally there disappeared, replaced by a Skeletal Giant Tiger three meters tall and eight meters long.
Soul fires similarly flickered in the giant tiger's pupils, but its prowess had already reached the level of a Spirit Emperor.
Seeing this scene, Xu Tianhao raised an eyebrow: "Is this Necromancy?"
Electrolux said slowly, "This is only the simplest kind. I will teach you everything in the future; as for how much you can comprehend, that will depend on your talent."
Xu Tianhao nodded, "I will not let you down."
Electrolux smiled and pointed at the Skeletal Giant Tiger: "Shall we give it a try?"
Xu Tianhao also smiled, without the slightest hesitation.
In the next instant, his eyes turned into the sun and moon, and five pitch-black ten-thousand-year spirit rings rose around his body.
Without any hesitation, the black fifth spirit ring directly lit up.
"Fifth Spirit Ability: Spiritual Imprint - Angelic Sacred Sword!"
This was Ye Guyi's fifth Spirit Ability that Xu Tianhao had stored in advance.
To deal with the undead, the most effective thing was undoubtedly the Angel.
As the Spirit Ability was released, a brilliant golden Angelic Sacred Sword quietly condensed in Xu Tianhao's hand.
Angel Sacred Light swirled upon the sacred sword, breathing out a light that was holy and inviolable.
Holding the sacred sword, Xu Tianhao charged directly at the Skeletal Giant Tiger.
With Xu Tianhao's current foundation, he was fully capable of rivaling a Spirit Saint level powerhouse who was not using their Martial Soul True Body.
Even if the opponent used their Martial Soul True Body, Xu Tianhao could rely on his fifth Spirit Ability to copy a Martial Soul True Body to counter it.
Against a mere Skeletal Giant Tiger comparable to a Spirit Emperor, it was a piece of cake.
A minute later, the Skeletal Giant Tiger turned into a pile of white bones under Xu Tianhao's Angelic Sacred Sword.
Electrolux clapped his hands in satisfaction: "That little Angel girl's Spirit Ability is indeed extraordinary."
Speaking of his companions, Xu Tianhao couldn't help but ask, "Teacher, you already understand Guyi and the others' Spirits. I want to ask, what are your thoughts on Nana's Ghost Martial Soul?"
Electrolux knew what Xu Tianhao meant as soon as he heard it and immediately smiled:
"If it were anyone else, I truly would have no way, but for that ghost girl, I have some degree of certainty."
Xu Tianhao was overjoyed upon hearing this: "Really?"
Electrolux nodded with a smile: "Judging by your Spirit grades, Nana's Ghost Martial Soul can only be considered a high-tier Spirit."
"But I can use Necromancy, with you as the medium, to elevate her Ghost Martial Soul to the level of a top-tier Spirit; it wouldn't be impossible for it to rival a Super Spirit."
As soon as these words were spoken, even Xu Tianhao was surprised: "Elder Yi, you are that awesome?"
Electrolux smiled slightly: "I forgot to tell you, as your teacher, I have another title: the Holy Necromancer."
"Undead and ghosts are easy for me to improve if I want to."