"Tick-tock... Tick tock..."

The water droplets dripping from the top of the tunnel smashed into the ground and instantly condensed into ice crystals.

"Whew..."

And with a cold wind blowing, the ice crystals that condensed into ice on the ground ignited a flame that was pitch black but could illuminate the darkness.

The floating black gas still leads the way.

The flames on both sides of the passage are also more like beacons guiding the way, illuminating the road ahead for Su You and Jiang Nu'er and the treacherous and gloomy pictures carved on the stone walls on both sides.

It's like walking a path of no return to hell.

It wasn't until a suddenly larger and wider space appeared in front of the two of them that the black qi floating in front of them finally stopped, and then turned into a pitch-black flame that lit up the entire space.

At this time, Su You and Jiang Nu'er saw clearly that what they were in front of them was a pond formed by the convergence of a large area of black water, and in the center of this black water pond was a round disc, and what was swaying and burning on the disc was a black flame that bloomed like a lotus flower.

"This, this is the origin of the Divine Fire of the Nether Ghost Fire?"

Seeing the black flames swaying and burning on the disc in front of him, Su You, who didn't dare to easily step forward and try to test the truth and falsehood, could only raise his head and ask in a loud voice towards the black gas just now, "The purpose of you bringing me here is for this flame, right?" Can you tell me if this black flame is the origin of the Divine Fire of the Nether Ghost Fire? ”

"Hum..."

Su You just finished speaking.

The pitch-black flame on the disc instantly appeared in front of Su You at an extremely fast speed, and even Su You directly drilled into Su You's chaotic Dao heart before he could react.

"Hmm!"

In an instant, an extreme cold made Su You feel cold all over his body, and a layer of pitch-black ice crystals began to condense on the surface of the whole person.

At the same time, Su You, who was frozen back to his senses by this cold air, hurriedly looked at his body, and immediately found that the black flame that had just drilled into his body was actually actively absorbed and refined by the Chaos Dao Heart, and then turned into a stream of origin power that poured into the dantian along the meridians, and fused with the Extreme Yin Yang Yuan Dan, which had already fused the origin power of the three divine fires.

The original golden, red, and white Yuan Dan began to emerge with a strange black.

It was precisely because of this situation that Su You, even if he was a fool, had already understood that the black flame that took the initiative to drill into his body was actually the natal fire of the innate ghosts in the Heaven and Earth Divine Fire, and it was also the origin of the Divine Fire of the Netherworld Ghost Fire, which was fueled by the Qi of the Nine Nether Ghost Fences and could burn the soul, and it was also the origin of the Divine Fire of the Nether Ghost Fire.

Realizing this, Su You immediately relaxed, and instead took the initiative to guide the power of the Netherworld Ghost Fire to merge with his original power.

In the process of merging, the ice crystals that were about to condense into an ice sculpture began to melt.

The dark passage full of treachery and cold breath gradually became warmer.

After losing the origin of the divine fire of the Nether Ghost Fire, the pond in front of Su You and Jiang Nu'er dried up in an instant, revealing the heavy boxes that were sealed deep in the depths of the pond.

The disc located in the middle of the pond gradually melted as the temperature in the channel rose, turning into pure spiritual power that poured into Su You's body.

"Good opportunity! It's just the right time to break through the realm! ”

Su You reacted quickly, and the moment the disc melted into a stream of spiritual power pouring into his body, he immediately ran the Yin Yang Open Heaven Record and the Chaos Dao Heart with all his might, refining and absorbing all the power that entered his body from the outside world.

The spiritual power became more and more abundant, and Su You immediately sensed that his cultivation realm was slowly rising.

Time passes slowly.

The spiritual power in the entire underground space was finally absorbed and refined by Su You.

But when Su You opened his eyes, a fine light flashed in his dark eyes.

The spiritual power aura released with it was even higher than before.

"Is this the power of Nether Fire?"

Throwing a pitch-black flame forward with his hand, he saw that even the space was scorched by the Netherworld Ghost Fire and condensed into ice crystals, and the only remaining spiritual power in the heavens and the earth was also burned by the Netherworld Ghost Fire at this time.

Su You looked at the flames swaying in the palm of his hand, the corners of his mouth raised slightly, and he chuckled: "Although I only broke through from the realm of the First Heaven of the Unsullied Realm to the two heavens of the Unsullied Realm, the real gain is that my strength has increased by at least fifty percent, and now even if I am asked to fight the two Zhao brothers alone, I am ten percent sure that I can defeat the two brothers within ten moves." ”

Then the power of the Netherworld Fire released from the outside was restricted.

Even if he broke through a small realm, with his current strength, he still couldn't release the power of the Divine Fire Origin for a long time.

And it was at this time.

Jiang Nu'er, who jumped off the pond after the water in the pond had dried up, opened one of the closed boxes.

As the box is opened.

There are treasures of heaven and earth that come into the eyes of the two.

Among them, there are many exercises and secrets that have never been circulated on the market, and there are many alchemy refining techniques that have been lost for a long time, and there are countless treasures such as spirit stones and elixirs.

"It's no wonder that there aren't many treasures in the entire tower, they are all hidden here."

Su You also jumped off the pond and opened all the boxes with Jiang Nu'er.

Although the number was still not as good as the White Pagoda, which had the treasures of the entire White Tiger Palace, it was already enough to make ninety percent of cultivators crazy about it.

Without mercy, Su You immediately moved to put all the things in the box into the storage ring with Jiang Nu'er.

After putting everything into the storage ring, Su You chuckled and said to Jiang Nu'er: "I didn't expect it to go so smoothly, it seems that we can rush back to Black Rock City directly, and maybe we can take this opportunity to get another reward from Senior Sister Zeng." ”

Although it wasn't all for Xie Chaofan to come back to the secret realm, Su You was not a person who only did half of the work.

Now that he had successfully obtained the Divine Fire Origin of the Nether Ghost Fire, he wanted to try to restore Xie Chaofan to his original state.

So the two of them immediately returned the same way.

Along the way, the two of them didn't encounter any accidents, and they left the secret realm as smoothly as when they got the Nether Ghost Fire, and returned to Black Rock City.

At this point, it has only been a day since Su You refined the Six-Rank Mingshen Xuanling Pill to make Xie Chaofan wake up.

Zeng Ruoli and Li Fatzi, who were still trying to collect all kinds of treasures or pills in the courtyard, felt a little strange when they saw Su You and Jiang Nu'er when they came back.

It was strange how the two could have come back so soon.

Su You didn't explain much about this, but asked Zeng Ruoli to find a way to find a safer and more hidden place, and he was ready to try to heal Xie Chaofan's injuries.