"Please wait a moment, let me investigate." Yuan Ming said, sitting cross-legged.

He closed his eyes slightly, urging the roots of the Undying Tree in his Dantian to penetrate deep into the ground, quickly intertwining with an underground spirit vein.

In the next moment, Yuan Ming felt that the richness of the fire attribute spiritual power within this underground spirit vein was nearly half stronger than that of the Fire Peak Mountain outside.

The Undying Tree instinctively began to greedily absorb the underground spiritual power.

Yuan Ming didn't let the Undying Tree act freely and controlled the roots to swiftly investigate the flow of the underground spirit vein.

Quickly, he discovered the flow of this underground spirit vein.

"There's a direction, go that way." Yuan Ming stood up, pointing in a direction and said.

Upon hearing this, Wulu was delighted, and the two immediately flew off in that direction.

The trajectory of the earth veins meandered and twisted, but the general direction was not wrong. The two traveled over a hundred miles before descending again.

Yuan Ming let Wulu rest for a while, before repeating the previous operation to further confirm the direction of the underground fire vein flow, and then they set off again.

After repeating this twice, the spiritual vein they were investigating reached its end, merging into another larger spiritual vein.

Yuan Ming controlled the Undying Tree to ascertain the flow situation of this larger spiritual vein and continued on their journey.

As time passed, the areas the two traversed became increasingly vast, with the terrain below changing from monotonous gobi desert to undulating hills, and then to wind-eroded mountains.

In the broad plains, numerous dark red low mountains towering tens of feet or even over a hundred feet emerged, eroded by the wind into rounded towers, wide-topped mushrooms, or hollowed out wind tunnels.

Yuan Ming secretly marveled at the vastness of this space, far surpassing the Shura Palace.

To open such a large space and shape the underground spirit veins to be almost indistinguishable from the outside world, how many Void Crystal Stones and Heavenly Materials and Earthly Treasures would be required.

While Yuan Ming marveled, a flash of fire suddenly appeared atop a tower-shaped mountain, shooting clusters of magma fireballs at the two.

Wulu, seeing this, waved his hand, and a vast blood-colored wind pillar appeared out of thin air, protecting the two in the center.

This blood-colored wind pillar was the vortex divine ability sealed within the Blood Soul Demon Crystal, now completely mastered by Wulu.

"Boom, boom," loud sounds echoed.

The moment the whirlwind collided with the magma, it exploded with a huge bang.

The magma fireballs suddenly burst open, transforming into countless magma fire rains, forcefully tearing through the blood-colored whirlwind, with the dense magma fire rain continuing towards Yuan Ming and Wulu, enveloping them.

Yuan Ming raised his hand to form a green light shield, blocking the magma fire rain.

Unexpectedly, the magma had an extremely strong corrosive effect, making a sizzling sound as soon as it fell on the light shield, instantly corroding through the green light shield.

Helpless, the two could only retreat, avoiding the finer and more concentrated sparks.

They landed on a mushroom-shaped low mountain, cautiously eyeing the tower-shaped peak.

"What are those?" Wulu asked in surprise.

"Fire beasts." Yuan Ming said, his gaze directed forward.

Following his gaze, Wulu saw a dozen strange exotic beasts emerge from the shadow of the tower-shaped mountain.

They were as big as calves, resembling mantises, each part of their bodies appeared covered with a layer of carapace, their entire bodies were grayish-white, except for their compound eyes, which were exceedingly red.

Those fire mantis-like exotic beasts crouched and sprang, leaving afterimages as they landed near the mushroom low mountain, surrounding Yuan Ming and Wulu at the center.

Yuan Ming's eyes scanned around, his heart moved slightly.

The aura of these dozen fire beasts was very strong, all above level 5, far beyond the fire beasts in the Fire Rock Desert.

"These creatures are a bit strange, be careful." Yuan Ming reminded.

"Leave these fire beasts to me!" Wulu said in a deep voice.

Since entering the Spiritual Treasure Space, he had stayed behind Yuan Ming, with all troubles solved by Yuan Ming, such a free ride was not his style.

"Alright, leave it to you, call me if you need help." Yuan Ming said, raising an eyebrow.

Yuan Ming's voice had barely fallen when the two fire mantises on the left initiated the attack.

A bright red firelight rose from their abdomens, climbing abruptly towards their chest and throat, and the fire mantis suddenly opened its mouth, spewing out two extremely hot magma fireballs.

Having learned from previous encounters, neither Yuan Ming nor Wulu attempted to block, instead eliciting a tacit understanding to dodge to the left and right.

However, just as they maneuvered, several nearby fire mantises lunged forward, their sickle-like forelimbs slashing towards the two.

Yuan Ming moved swiftly, flashing aside, leaping onto another small hill.

Wulu, flipping his wrist, drew a pitch-black long knife, slashing towards the fastest-moving fire mantis.

Blade and sickle collided, sparking fires, neither side yielded, locked in a stalemate, while other mantis fire beasts approached.

Wulu was about to summon the blood-colored whirlwind again, but suddenly, the sickle of the mantis he was grappling with glowed with a blinding red light, unpredictably exploding.

A scorching flame swept out, engulfing Wulu's body, with specks of gold mixed in the red flames.

Wulu had not expected this, being blown away entirely, his arm wielding the knife was shredded with cuts, and an exceptionally scorching force traveled up the blade, directly into his hand.

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