Full health is the kill threshold, no matter if you're a god or a demon!

hum-

Deep, ultrasonic pulses, exceeding the limits of human hearing, spread outwards in all directions from the center of the "giant's" enormous body, like ripples in water.

This invisible sound wave penetrated the thick rock layers, seeped into the intricate tunnels, swept past hidden caves and abyssal fissures, and fed back to the behemoth's brain in real time, like the most precise radar scan map, recording the spatial structure, object outlines, energy disturbances, and even the subtle air currents along its path. It projected a dynamic and constantly improving three-dimensional map into Liu Nian's consciousness.

This is one of the Giant's capabilities: sonar detection.

Its efficiency far surpasses that of players using detection devices! Complex areas that ordinary players would need hours or even days to carefully explore can be clearly outlined in a very short time by the behemoth's continuous sonar scanning, revealing its macroscopic terrain structure, main passage network, and distribution of large obstacles!

Unless the target area is equipped with a specially designed energy shield or a space distortion barrier, this detection method can detect most natural or artificial structures.

Of course, this ability is not omnipotent. It cannot directly detect mineral veins or magical materials—those require more specialized elemental perception or exploration skills.

Otherwise, Liu Nian's task of finding new mineral veins would truly become as easy as cheating.

Even so, this is already a strategic-level auxiliary capability for quickly mapping, grasping the overall regional layout, and avoiding large-scale dangerous areas.

Time slipped away silently amidst the arduous journey and the continuous sonar scan.

The cold, damp, and stale atmosphere gradually faded, and the air began to dry. The surroundings were no longer slippery moss or soft humus, but covered with a fine layer of dark red and brownish-yellow dust, like the dust left after metal polishing, which made a "rustling" sound when stepped on.

A metallic rust smell began to fill the air, and everywhere you looked—the ground, the crevices in the rock walls, and the plants—was covered with a layer of rust like sand. More and more strangely shaped, clearly man-made metal remnants began to appear all around.

Most of them are severely rusted, with thick layers of dark red and dark green rust spots on their surface. Many have been twisted and deformed, or even melted and stuck together, making it difficult to recognize their original exquisite shape and specific purpose.

But faint traces of a highly developed civilization can still be discerned.

"The Rusted Dynasty..." Liu Nian murmured, reading the markings on the map. His gaze swept over the remains of these civilizations. "It seems we've entered its outer radiation zone. This should just be the edge of the 'junkyard'."

Referring to the dynamic map in his mind, which was constantly being improved by the giant sonar, Liu Nian estimated the distance.

Their current location is still quite a distance from the core ruins of the Rusted Dynasty marked on the map.

At the current pace of progress, even with a massive road clearing the way and sonar warnings, it will still take at least half a day to arrive.

Just then, an unusual signal was transmitted from the giant's brain to Liu Nian's mind.

At the same time, Liu Nian also "heard" the abnormal signal coming from that direction that the giant had captured through the connection.

That was a fierce, high-frequency battle surge involving multiple energy forms!

"The fork in the road to the right is about three kilometers away as the crow flies." In Liu Nian's mind, the behemoth directly provided the coordinates and judgment. "The energy readings are chaotic and violent, indicating continuous high-energy impacts and large-scale structural damage and vibrations... The battle is underway, and the intensity is not low."

Liu Nian raised his eyebrows.

A fierce battle?

"Is it another NPC faction and local monsters... or is there something else?" Liu Nian's curiosity was piqued.

"Jumbo, you go back to the void and wait for orders," Liu Nian gave the order.

Its enormous size is too conspicuous to be observed at close range.

The giant Kun in the void nodded slightly. Its enormous body, like ink merging into water, quickly became transparent and thin, eventually disappearing completely into the air, leaving only a barely perceptible ripple in space.

Liu Nian then quietly made his way towards the source of the battle fluctuations.

The passage wound downwards, the terrain becoming increasingly rugged. As they drew closer, the sounds coming from ahead grew clearer, becoming audible to the ear.

"boom!!"

That was the loud noise of a heavy object violently hitting a rock wall, or some kind of energy exploding.

"Snap! Boom!"

That was the sound of hard material being shattered and broken by tremendous force.

"Sizzle—!! Crack!"

That was the shrill scream and boom unique to a violent surge of electricity! Interspersed among it were the angry or painful cries of some creature!

A lot of useful information can be gleaned from these sounds.

Liu Nian cautiously slowed his pace, hiding behind a cluster of purple crystals that could block most of the line of sight and energy detection, and looked ahead.

The sight that came into view made Liu Nian raise his eyebrows slightly.

On one side of the battle were dozens of grotesque [Crystallized Burrowing Bugs (lv.89-93 Elite)].

These monsters are as large as calves, covered in thick carapaces that seem to be a mixture of purple crystal and hard rock. They have multiple pairs of sharp, drill-like limbs that can easily tear rocks apart, and their mouthparts are like shredders, covered with rotating crystal teeth.

At this moment, they are attacking the figure in the center of the arena like a tidal wave from the ground, the rock walls, and even the cave ceiling!

The figure being attacked was a colossal creature over three meters tall! Just standing there, it was like a moving mountain of muscles!

His body was covered in thick, glossy dark brown fur, which had a wild, flowing quality despite its disheveled appearance, like a fine bearskin cloak.

His facial features combined human facial structure with the wild characteristics of a bear—a prominent snout, a broad jaw, and sharp, white fangs protruding from both sides. But his eyes were far from the murky look of a wild beast; his pupils seemed to flicker with tiny lightning bolts, filled with a savage wildness, an indomitable fighting spirit, and an emotion befitting an intelligent being!

He wore a simple metal headband, metal armor, and was barefoot, revealing a pair of huge bear paws.

The weapons he held were two giant double-edged battle axes! Each axe had a handle that was over two meters long and a blade as wide as a door!

At this moment, lightning was constantly swirling and leaping around the blades of these two giant axes!

Blue and white electric snakes snaked along the axe blade, crackling and popping, and the space around the axe was slightly distorted by the lightning energy!