Liszt turned and walked outside the city gate.

He couldn't wait any longer; an inexplicable yearning called him.

Trolians had been lonely in this Dark World for too long, and this fear of solitude had deeply imprinted itself in the depths of every Trolian's soul.

For over a thousand years, Trolians had been searching for their kind, longing to hear the voices of their fellows in this boundless darkness.

But until now, they had only found a thread of a clue.

The Investigation Legion, with enthusiastic hearts, headed southwest.

Rod was surprised to find that their spiritual energy levels were only between level 10 and 11, and the commander, Liszt, was only level 12 spiritual energy, but their speed was not slower than his, and they seemed at ease.

Liszt praised, "Lord Rod, you are the most adept at long-distance travel among the high rank combatants I've encountered. They only rely on high spiritual power bursts to bully others; they can't outrun us on long trips."

Rod somewhat missed Anna and asked, "Can't we ride horses?"

Liszt shook his head, "Of course not. When we leave Troli beyond a distance of 1000 milles, the Spirit Lamp can't ward off the Black Fog's erosion, and Spiritual Horses would become corrupt. We can only rely on long-distance travel."

Rod worriedly asked, "A distance of 3700 milles—do we need many days?"

Liszt smiled and said, "No, the route and map are already in place, and we've traversed it once; it's just a matter of repeating the original route, one to two days will suffice."

Number 7 said, "If pioneering with no map recorded on the Star Disk, it might take a month or even two; we'd need to cautiously explore the surroundings, avoiding dangers to advance."

Number 9 said, "We've explored this route back and forth for six months before reaching such a deep point."

Rod finally relaxed; special level combatants, as long as they aren't sprinting at full speed, can run for ten days and nights no problem.

If not for considering the Black Fog's protection issue, 3700 milles could be reached in half a day.

About an hour later, they crossed the outermost defense line of Troli and left the Holy Fire's influence range.

After another half hour, Liszt extinguished the Spirit Lamp.

Using the Spirit Lamp in the depths of darkness is extremely dangerous, as it may disturb many terrifying presences that should not be disturbed, making one a moving target.

Rod took out tripled Red Tear Stones and distributed them to them, continuing deeper into the darkness.

Along the way, Liszt explained to Rod the clues they found and the difficulties encountered.

Just as Number 9 said, they continued exploring along this route, trying to reach deeper while searching the area within 3 milles along the path—unless a new route is opened, they cannot exceed this distance.

They passed through swamps, mountains, hills, plains, basins, traversed deserts, gobis, and mountain ranges, and even crossed a super-large lake, where the water had turned pure black under the erosion of the Black Fog year after year, transforming into pure Black Water.

This was the first time they witnessed Black Water not evolved from Source Black Fog, adding a blank to the knowledge system of the Royal City.

Upon reaching approximately 3700 milles depth, they discovered a broken banner beneath a desolate mountain.

It lay silently in the Black Fog for unknown years, covered with thick dust.

However, Liszt, through abundant knowledge, discovered that the pattern on this banner was very special, not belonging to any known human kingdom of the Fire Epoch.

Most importantly, after identification, it might not be a product of the Fire Epoch.

Then, the possibility of it being from human forces from the earlier Epoch of Gods was out of the question.

If the deduction is correct, it means there might still be an unknown human force nearby.

But just as Liszt intended to explore further, they encountered many monsters with ultra-sensory inspiration.

These monsters had extremely strong perception and formed an isolation barrier, completely blocking their path forward.

Thus, they had to request a special level combatant to help them slay monsters and clear a path.

Liszt said, "Lord Number 0, I've found many details in reconnaissance, and I'm almost certain this belongs to a new human kingdom that likely lies ahead in the route. I have a premonition they haven't been eradicated, and this time, we might truly find a new Fire Kingdom!"

Rod nodded and said, "I will do my utmost to assist you."

The journey was smoother than expected, and about half a day later, they arrived at that desolate mountain.

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