After submitting the task, Lu Yu gained 20 Contribution Points. Comparing these 20 points with the over 700 points he already had, they seemed so insignificant that he barely felt motivated to continue taking on tasks.

Arriving at the rear hall of the Southern Heaven Hall, he submitted the task of crafting 'Sorrow of Frost,' placing materials, blueprints, and the commission fee into the treasury of the Southern Heaven Hall. If someone picked up this task, they could directly obtain the materials and blueprints from the treasury, complete the task, and receive the commission without Lu Yu needing to be involved.

Glancing at the price for crafting a fourth-grade Spiritual Weapon, 100 Spirit Stones seemed to be normal, neither too high nor too low. Lu Yu didn't embezzle a few stones; he wasn't about to embezzle such a trivial amount.

Based on the rapid disappearance rate of crafting tasks, his task should be picked up soon.

After watching for a while, Lu Yu left the Southern Heaven Hall, without picking up any task.

Tasks on the Yellow Board offered at most 30 Contribution Points, which didn't interest Lu Yu. The Xuan and Earth Boards had tasks with better rewards, but Lu Yu's strength wasn't enough.

Standing before Tongtian Tower, Lu Yu looked upward. The upper portion of Tongtian Tower was obscured, seemingly disappearing into another part of the world.

Tongtian Tower was located outside Heaven-Breaking City, yet the place was bustling with people. Many disciples spontaneously built houses around Tongtian Tower, forming a lively marketplace.

Later, driven by some elders, this place became part of Heaven-Breaking City, becoming an official marketplace.

At the base of Tongtian Tower, a crowd was gathered, with most people either around the suspended black jade stele at the tower's entrance or gathering teammates to storm the tower.

Challenging Tongtian Tower could earn Points, which could be converted into Contribution Points, explaining the large number of people gathered here.

Moreover, Tongtian Tower contained many treasures, and defeating demons within could earn some Contribution Points and gather materials, leading to the marketplace outside the tower.

Lu Yu approached the suspended black jade stele. The left stele was inscribed with "Earth Board," and the right with "Heaven Board."

The Earth Board ranked disciples from the Divine Weapon Pavilion by the number of tower floors conquered, and the Heaven Board ranked elders by the same measure.

The disciple ranked first on the Earth Board had reached over 500 floors, higher than many elders ranked at the bottom of the Heaven Board, but far behind the top elder.

The top elder on the Heaven Board set a record of 2,999 floors, a record left by an elder named Wuya Zi.

After searching on the Heaven Board for a while, Lu Yu found his master's record, Li Qiuyang, Tongtian Tower, 1,598 floors.

Situated in the mid-upper area of the Heaven Board, counted as a relatively strong elder.

The Heaven Board recorded the top thousand elders' floor counts, while the Earth Board recorded the top hundred thousand disciples'.

Lu Yu spent 100 Contribution Points to enter Tongtian Tower. The first floor was an endless grassland, with traces of demons rarely seen, at least none visible in his sight.

The method to access the second floor was reaching the central light pillar on the grassland; stepping into the light beam would take one to the second floor.

The light pillar was obvious, so Lu Yu walked towards it. After a few steps, he felt movement underground, and a strangely shaped demon emerged.

The demon had a pointed head, six limbs with sharp saw-toothed legs, and when it raised its body, Lu Yu saw its underside was a bizarrely twisted human-like face with a smile.

"Is this a demon?" Lu Yu carefully observed the demon emerging from the ground; it was his first time seeing a demon, looking indeed quite different from monsters.

The demon immediately launched an attack on Lu Yu, who then wielded the Overlord Saber, smashing the demon dead in a few hits. Despite its body being nearly obliterated, the demon wasn't entirely dead, still attempting to attack Lu Yu.

Helpless, Lu Yu used some Fire Spiritual Qi to burn it to ashes.

Since Lu Yu hadn't reached the Qi Cultivation stage, he couldn't actively absorb Heaven and Earth Spiritual Qi to replenish his Fire Spiritual Qi; he could only rely on Cultivation Techniques to absorb Fire Qi from fire crystal stones or wait a long time for his Fire Spirit Body to automatically absorb surrounding spiritual qi to recover the depleted Fire Spiritual Qi.

Burning the demon with strength and speed comparable to a Martial Cultivator at Body Refinement level three cost Lu Yu nearly twenty percent of his Fire Spiritual Qi.

After killing the demon, Lu Yu learned through his Identity Token that he gained 1 Point, which disappointed him.

Continuing towards the light pillar leading to the second floor, encountering demons didn't cost effort burning to ash, just flattening into meat paste; if they could be killed, they were killed, otherwise it didn't matter.

Along the way, Lu Yu saw many demons with different appearances, characterized by some human traits, extremely ugly and unreasonable, nothing like natural biological evolution.

After staying on the first floor for half an hour, Lu Yu received 100 Points, the reward for reaching the top; moving to higher floors granted corresponding rewards.

The way to obtain the first-floor reward was entering the light pillar to the second floor and simultaneously receiving two-floor rewards or staying for half an hour.

A few minutes after receiving the reward, Lu Yu reached the beam leading to the second floor, disappearing into the grassland.

Arriving on the second floor of Tongtian Tower gained 200 Points.

The second floor was still a grassland, though some trees appeared, with demon strength increasing to Martial Cultivator Body Refinement level four.

Yet, still no monster was seen, which Lu Yu understood after thinking a bit: demons were too ferocious; if weak monsters appeared in Tongtian Tower, they were mostly slaughtered by demons.

Thus, encountering monsters meant they must be big monsters, as weak ones couldn't survive in Tongtian Tower.

After maiming all demons besieging him, Lu Yu hurriedly moved to the third floor.

After numerous battles, Lu Yu finally reached the light pillar to the third floor, with demons inside Tongtian Tower being fearless, attacking in swarms upon scenting human presence, regardless of odds.

Even heavily injured demons sought to attack humans before dying, as demons were slaughter-driven creatures.

The characteristics of demons made Lu Yu think of zombies; demons resembled movie zombies.

Arriving on the third floor of Tongtian Tower, earned 300 Points, still grassland, only more trees, and more demons.

The demon's strength slightly increased, close to Martial Cultivator Body Refinement level five in power and speed.

Battling through torrents of demons, stepping into the light pillar's safety zone before checking the horde of broken-bodied demons crowding the safety zone's edge, Lu Yu hesitated whether to continue to the next floor.

On the third floor, Lu Yu faced over thirty demons at once; had it not been for his protective spiritual armor, he might have been torn apart by swarming demons.

Fearless of death, demons fully utilized quantity advantages, while Lu Yu's whole body wasn't protected by spiritual armor, suffering injuries amidst assaults.

Remembering he used 100 Contribution Points to enter here, Lu Yu resolutely stepped into the fourth floor.

As expected, the fourth floor had more demons, with strength akin to Martial Cultivator Body Refinement level five; compared to humanoid Martial Cultivators, the odd weapons on demons posed greater threats, with their life force exceptionally tenacious.

Almost until their bodies weren't completely crushed, they could continue attacking.

Fifth floor, demon strength reached Martial Cultivator Body Refinement level six, Lu Yu barely escaped their grip.

Sixth floor, demon strength approached Martial Cultivator Body Refinement level seven; Lu Yu had to use the Blood Burning Secret Technique to break through their grip.

Seventh floor, upon arriving, gaining Points, Lu Yu directly exited Tongtian Tower, as he'd exhausted all cards on the sixth floor, nearly having his spiritual armor wrecked breaking through; he dared not remain longer on the seventh floor.

His Identity Token recorded a line: Lu Yu, Tongtian Tower seventh floor, 2817 Points.

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