Maintaining an attitude that no one can be left behind.

Ronald meticulously plowed through the battlefield of the Rift Valley Ruins, ensuring there were no survivors.

Then he took advantage of the still burning power of sunlight on the frozen ground, warmed up his carried rations, and continued to head north as indicated by the summoned creatures, while eating.

The subsequent process was not much different from earlier searches for the rift.

Battling the snowstorm blowing from the west, Ronald searched for the location mentioned by the other party across the vast ice field.

However, things were not constant.

By noon the next day.

The terrifying snowstorm, which had persisted for days, finally began to weaken.

Flying in the sky, Ronald could rely solely on his vision to discern the terrain changes below without adjusting his altitude.

"..."

"I wonder how things are going over at Costate..."

Continuing to fly in the sky.

Ronald's sight also looked towards the northeast.

The direction where the snowstorm rages on the land, blowing in this direction. If all goes well, the expedition team should soon escape the effects of this extreme weather.

Even though they have help from the Absolute Sea Lanterns over there.

A naturally created environment is always more comfortable than a man-made one.

"Phew—"

Thinking of this, Ronald exhaled deeply, and his flying speed increased slightly.

Since the situation has improved.

Then he too must continue to step up his efforts.

...

The end of the snowstorm seemed to herald a change in Ronald's luck.

In just half an hour after the snowstorm retreated, Ronald spotted a significant difference: a fractured ice sheet while flying in the air. If one were to talk about finding a cave extending into the ice belt, then the concept here is quite large.

"Could it be here?"

With this thought in mind, Ronald began to lower his altitude.

The [Star Map] spell also intensified its efforts to map out the surrounding terrain.

"..."

"As expected, it's correct!"

Just about a quarter of an hour later, better news emerged.

Although Ronald did not immediately find the entrance mentioned by the summoned creatures, with the help of the [Star Map] spell's record of the surrounding terrain, he discovered some tunnel-like hollow structures under the ice sheet.

For Ronald, this was enough.

"The greatest advancement in productive forces and the greater proficiency, skill, and judgment displayed during labor seem to be the results of division of labor…"

Aiming at the tunnel closest to the top of the ice surface.

As Ronald descended, he uttered the quickest incantation to open a passage.

The timing was nearly perfect.

Just as Ronald's figure reached the ice surface, the ground cracked open under the control of the spell, revealing a gap big enough for him to pass through.

Swish—

Without any obstacle.

Ronald's voice disappeared above ground, successfully diving straight down to reach the tunnel within the ice.

"..."

Now within the tunnel, the [Star Map] spell collected geographic features more efficiently. As Ronald surveyed his surroundings with his sight, a clearer three-dimensional structure emerged in his mind.

First, the overall structure here is still a naturally occurring underground space.

But closer to the west and deeper into the tunnels, a few quite large hollow areas appeared in his perception, which were obviously expanded later and not naturally formed caves.

"Should I take a direct path or follow the road..."

Ronald thought simply.

At this moment, there were two methods to reach those positions.

First, a clear route to proceed lay in his mind, and Ronald would not get lost or go astray while following it.

Second, continue the brute forcing route and charge straight forward.

...

Rather than opening a direct line to reach the target position, Ronald thought that sweeping away these summoned creatures along the way in such a situation wouldn't be too bad.

After all, this was already their base.

Furthermore, given the combat strength of these summoned creatures, they wouldn't delay him for too long.

Having made up his mind.

Saint Catherine's sword was immediately held in his hand again.

Ronald's visual ability, allowing him to see surrounding objects in this pitch-black environment without any other lighting, having planned a complete route to the destination in his mind, he walked steadily forward.

...

At the beginning of this journey.

Ronald hadn't encountered any summoned creatures yet.

Although still in the under-ice world, perhaps due to the higher location here, the summoned creatures did not plan to expand their bases in this direction.

It wasn't until Ronald passed two underground corners, the depth continued to descend a few meters.

Only then did he finally start encountering the summoned creatures here.

This situation is different from the rift valley there.

The ice rift of the previous day had the summoned creatures overwhelmingly dominating in quantity, with varying strengths among the different summoned creatures. Some were so weak that even ordinary people could handle them by simply closing their eyes awaiting death.

There were also powerful entities that Ronald had to hack to death one by one to deal with.

But within the ice here—

This could be said to be an assembly of elites.

Starting from the first batch encountered, Ronald worked his way down, taking ten to twenty seconds each time he engaged them.

This isn't to say they can contest against Ronald.

Rather, these summoned creatures generally possess intelligent minds along with systemic ways of fighting, requiring Ronald to clear them thoroughly without leaving any behind, inevitably consuming more time.

"So..."

"I really am killing my way right into their home..."

While swinging his sword to wipe out the enemy in front of him.

Ronald couldn't help but grumble about some subtle emotions within him.

Indeed, the magic of this world is composed of original sources. But Ronald couldn't imagine many sources on Earth capable of supporting such a complex summoning magic structure.

Taking Ronald himself as an example, "Divine Comedy" does include summoning spells.

When dealing with enemies who commit the sin of gluttony, he can summon a Hell Hound to attack.

But these summoning situations.

Are completely different from the summoned creatures facing Ronald now.

Recalling previous experiences and the knowledge gleaned from various materials, Ronald leaned more towards certain source abilities connected to unknown new worlds.

Causing these summoned creatures, or rather alien creatures, to invade the essence of this world.

"Parallel world theory? Or what's the World Tree's nine worlds?"

"..."

Ronald recalled the sources that might cause such an impact, listing everything he knew from mythology to scientific theory.

The result seemed to indicate the possibility wasn't small?

Before directly confronting the culprit, it's impossible to ascertain the result just by conjecture.

"But in that case."

"What're the sources of Twin Creek City then?"

While Ronald pondered competently and meanwhile solved another batch of summoned creatures, he also reached the first open area.

This was the underground space opened by the summoned creatures.

And it was here.

Ronald raised an eyebrow and finally stopped moving forward for the first time.

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