The three eroded demon wolves had clearly discovered Duke, the intruder. Their murky red eyes were locked firmly in his direction, and a low, mucus-rolling growl came from deep within their throats.

The corrosive energy emanating from their bodies was like tangible malevolence, resonating with the surrounding environment, making the air seem thick and oppressive.

Duke frowned. Dealing with these three creatures, which had not even reached level one, wasn't difficult, but he wanted to handle it more cleanly.

Although the erosion energy in the surroundings didn't affect the Wizard much, Duke still didn't want to be tainted by it.

These three creatures were already severely eroded, their bodies filled with dense erosion energy.

Duke watched as the three beasts charged toward him, but he decided against using sand to handle the situation.

Magic power surged within him, infusing into the two magic models in his mind—Fireball Technique and Tornado.

In the blink of an eye, a Fire Dragon Tornado took shape, sweeping toward the three creatures, carrying immense energy and an extremely high temperature.

The suddenly appearing Fire Dragon Tornado had significant suction, pulling everything around into it, then instantly extinguished by the violent fire attribute and wind attribute energy.

The three eroded creatures were almost devoid of any rationality, acting only on instinct.

Their reaction was slow, and they instinctively wanted to move away from the Fire Dragon Tornado, but it was too late due to their proximity.

The three beasts were instantly sucked into the Fire Dragon Tornado, swirling in the air, their bodies igniting with flames, consumed from the inside out.

These creatures, not yet reaching level one, had fragile bodies; almost instantly, their flesh vanished, completely consumed by the high temperature, leaving only a trace of residue.

The Fire Dragon Tornado, formed by the combination of two level-one spells, had excellent effect; its strength and destructive power far exceeded that of the original two level-one spells.

The Fire Dragon Tornado appeared quickly and disappeared just as fast. Duke guided the tornado to dissipate its energy, and the surroundings soon returned to peace.

Having resolved the immediate trouble, Duke looked around, chose a direction, and continued forward.

He only knew the Fifth Outpost was in this area, but its precise location was unclear.

The Fire Dragon Tornado Duke had just released served as a signal, likely to be noticed by the wizards at the Fifth Outpost.

In any case, it was now a no man's land and wouldn't be seen by the locals.

The aftermath of the Fire Dragon Tornado had not yet completely dissipated, the air filled with the smell of burning and dust, along with the nauseating erosion scent that reemerged after being suppressed by the high temperature.

Duke did not linger at the spot, knowing well that in this eroded land, any energy fluctuation could attract even more troublesome things.

He set his sights on a direction, continuing deeper into the Arsenal Mountain Range.

The ground beneath his feet grew increasingly soft and sticky, feeling as though he was stepping on the decaying flesh of some giant beast, each step accompanied by a discomforting stickiness.

The towering rock walls on either side were a strange dark red, their surfaces covered in a moss-like substance that wriggled as if alive, emitting a sweet and putrid scent of decay.

The sky was completely obscured by a thick, gray-yellow layer of clouds, the dim light reminiscent of twilight arriving prematurely.

Time passed in dead silence and oppression; Duke didn't know how long he had been walking or if his direction was correct.

He could only rely on his sense of the changes in erosion energy concentration and a mental map, advancing along the edge of the polluted zone.

Since the Fifth Outpost was located near the restricted area, it must be on the border of this eroded zone, so he just needed to move along the boundary of the polluted area.

There were also many eroded beasts at the edge of the polluted zone, but none were strong, posing no threat to Duke.

About three days later, Duke reached a desolate mountain range when his left hand's Black Sail Badge suddenly sensed something.

He sensed some force pulling, guiding the Black Sail Badge, precisely guiding Duke's direction.

Duke felt a jolt of insight, realizing that the Fifth Outpost was probably guiding him.

He stopped, the Black Sail Badge at his fingertips slightly hot, a faint yet exceptionally clear energy fluctuation like an invisible thread coiling around it, extending somewhere to the left front of the mountain pass.

Duke looked up, seeing only rock walls covered in dark red moss and twisted ruggedness, indistinguishable from the nauseating eroded environment around it.

He followed the guidance from the Black Sail Badge, walking through the desolate mountain.

The surrounding mountains were bare, not a single blade of grass in sight.

The further he walked, the stronger the Badge's response, gradually arriving at a seemingly insignificant rock wall.

Duke reached the rock wall, extending his hand. His fingertips did not touch the cold stone; instead, at a distance of an inch from the wall, the space rippled like the surface of water.

He understood, this was the entrance, opened for him, accessible only to those bearing the Black Sail Badge.

A low, deep hum, as if from within the space's structure, sounded, and the huge, rough rock wall before him began to twist, blur, and dissolve like a reflection upon which a stone had been cast.

Replacing it was a deep circular entrance shrouded in pale blue spatial light.

Inside the entrance was a downward-sloping corridor paved with smooth, mirror-like black metal, emitting a gentle and stable white light from deep within, dispelling the darkness and filth outside the cave.

Duke stepped in, the space entrance behind him instantly sealing, transforming back into the unnoticeable rock wall covered in dark red moss, completely isolating the suffocating erosion aura and whispers of death from the Arsenal Mountain Range.

Inside the corridor, it was exceptionally clean, the air dry and fresh, carrying the slightly cold metallic scent characteristic of a circulation purification system.

The walls and ceiling on both sides were made of the same smooth black metal, engraved with intricate energy circuits, emitting a faint light, serving both as illumination and the core component for maintaining spatial stability and energy filtration.

He walked down the corridor, his footsteps echoing softly in the emptiness.

At the end of the corridor was a heavier, precision energy-patterned metal door.

As Duke reached the metal door, contemplating how to open it, a woman's face emerged on the door, observing Duke.

After a moment, the face spoke a single word: "Identity."

"Black Sail Third Legion, Duke." Duke said, presenting his Black Sail Badge.

The face on the door looked at the Black Sail Badge, then at Duke, seemed to sniff, and said, "Identity verified, please enter."

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