After testing the Heilig Pfeil, Sora began to test Blut Vene and Blut Arterie.
He was not yet skilled with his Blut abilities, so to prevent any accidents, he only tested it on his fingertip.
He gathered reishi at the tip of his finger and injected it into the blood vessel.
A moment later, a glowing blue line appeared on his fingertip.
Squirt—
The reishi inside the blood vessel suddenly burst, and the blood that flowed out dissolved into the lake water.
"It's not easy to control..." Sora raised an eyebrow.
Strengthening one's own body with reishi was much more difficult than gathering it from the outside.
He had to be careful not to let the gathered reishi rupture his blood vessels.
A faint glow of healing Kidō flashed, and the small wound on his fingertip quickly healed.
Sora did not give up and continued testing.
He focused his mind, and reishi once again gathered in the blood vessel of his fingertip.
A glowing blue line extended from his fingertip towards his palm.
Sora was very focused this time, and the blood vessel did not rupture.
After a few breaths, the glowing blue line extended to the vessels in his palm.
Then, the line branched out, and the reishi extended outwards along other blood vessels.
After a long while, many glowing blue lines appeared on the skin of his left palm.
"Once I'm familiar with the vascular pathways, this process will be much faster."
This was his first time, and he was still unfamiliar with it. It took him a long time just to set up the Blut in his left hand.
Blut Vene and Blut Arterie are two different reishi-vascular systems, independent of each other.
Sora was currently using Blut Vene, which enhances defense.
He gathered spiritual pressure in his right hand, forming a spiritual pressure blade.
He could control the sharpness of the blade, and he was going to use it to test Blut Vene's defense.
He stabbed the blade towards his left palm. As he increased the force, the blue lines on the Blut Vene quickly sparked with reishi, and the blade smoothly pierced his skin.
"It basically only provides some cushioning."
The level of his Blut Vene was still too low, and its defensive effect was very average.
Sora dispersed the reishi from his blood vessels and continued to test Blut Arterie.
The operation was the same as before, starting with one finger.
Blut Vene and Blut Arterie were two different systems, requiring the reishi to be gathered in different blood vessels.
With practice, the spiritual body would remember the pathways, and using Blut would become a subconscious instinct.
But for now, Sora still had to condense the reishi bit by bit and fill the vessels.
After a long while, many glowing blue lines appeared on the skin of his right palm.
He made no mistakes while testing Blut Arterie and successfully set it up on his first try.
Sora flexed his hand and felt a slight increase in his grip strength.
However, the current level of his Blut Arterie was still very low, so the improvement was minimal.
Sora looked at his panel. The levels of his Blut Vene and Blut Arterie had already changed.
[Base Abilities (Quincy):
Reishi Manipulation Lv 50
Blut Vene Lv 8
Blut Arterie Lv 8
Hirenkyaku Lv 1
Both Blut Vene and Blut Arterie had increased to level 8!
"It seems investing general experience into Reishi Manipulation is more cost-effective. The Blut abilities can be leveled up through training."
Sora had a foundation in Kidō and swordsmanship and was already very experienced in using his own spiritual pressure.
It would not be difficult for him to improve his Blut abilities through training.
"Nelliel and Harribel must be getting anxious. I'll try to train the Blut for my whole body when I get back."
Remembering that they were waiting for him, Sora stopped his tests.
He focused his mind, and the surrounding reishi gathered at the soles of his feet.
The reishi formed a platform under his feet.
The platform carried Sora and flew upwards.
This was the Quincy's Hirenkyaku.
Hirenkyaku achieves high-speed movement by adjusting the flow of reishi under the feet.
Compared to Shunpo, it is closer to the traditional meaning of flight.
Sora broke through the water's surface and saw Nelliel and Harribel waiting anxiously on the shore.
He had been down there for a long time, and his two disciples had inevitably grown worried.
Sora adjusted the flow of reishi under his feet, did a spin in the air on his reishi platform, and landed in front of them.
He glanced at his panel. His Hirenkyaku level had also increased.
[Base Abilities (Quincy): Reishi Manipulation Lv 50, Blut Vene Lv 8, Blut Arterie Lv 8, Hirenkyaku Lv 10]
His Hirenkyaku had jumped directly to level 10!
Ultimately, the abilities of both Shinigami and Quincy are based on the use of reishi.
Sora's Shinigami abilities made his Quincy training twice as effective.
"Professor!"
Seeing that he was unharmed, Nelliel and Harribel both breathed a sigh of relief.
"What did you encounter at the bottom of the lake, Professor? We just sensed a strange spiritual pressure."
Nelliel asked.
After the giant eye had awakened, its spiritual pressure had spread out and had been sensed by them on the surface.
"There's a very ancient spiritual being at the bottom of the lake. I chatted with it for a while."
Sora didn't want to reveal too much. The giant eye was related to the passage to Hell. If this information got out, it might attract the attention of those with ulterior motives.
"An ancient spiritual being?" Nelliel thought of an ancient Menos like Baraggan. "So, should we leave this place?"
"It has no ill intent. It just sleeps here for long periods. You can stay," Sora continued. "But it doesn't want to be disturbed, so just don't go to the bottom of the lake."
If the giant eye hadn't sensed the Soul King's Shadow, it wouldn't have bothered with any outside beings.
When the Red Shark King had occupied this place, he had never discovered the secret beneath the lava.
"That's good... the environment here is so nice. I'd hate to have to leave."
Nelliel was relieved. It was not easy to find a place with mountains and water like this in Hueco Mundo.
"You two stay here and train. I need to go back to the Soul Society first."
Sora planned to return.
"Remember to come and visit us, Professor!"
Nelliel waved goodbye.
Harribel was not good at expressing her emotions, but she also looked at him with an expectant gaze.
"I'll find time to come and check on your training progress," Sora nodded gently.
Before leaving, Sora left a shadow in both Nelliel's and Harribel's own shadows, to protect them in case they ran into danger they couldn't handle.
Nelliel watched her professor leave through the Senkaimon, a look of melancholy on her face.
The days of training at the dōjō were the happiest time she had had since becoming a Hollow, and now that happy time was leaving her.
However, her training at the dōjō had given her the heart of a strong fighter.
Nelliel's expression became firm, and she turned to look at Harribel.
Harribel was inspired by the determination in Nelliel's eyes and looked back at her seriously, thinking she was about to say something inspiring.
"We have to ration the snacks. We won't get any more until the Professor comes back next time!" Nelliel opened the pastry box and took out some rice cakes. "Little Harri, come try these. The Shiba clan's rice cakes are delicious! Apacci, Mila Rose, Sun-Sun, you guys come try some too!"
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