These demon creatures are facing a Super BOSS that they can't harm at all, being instantly killed on contact...

Whoosh~ The bright yellow Celestial Falling Bright Flame spread out, burning the surrounding demon corpses. Lu Yu stood on top of the pile of corpses, with the five-meter-long saber in his hand unable to touch the ground, the height of the pile exceeding five meters.

Around the pile are wandering demon creatures, and from time to time, a few hidden within the pile ambush Lu Yu, still unwilling to give up the heart of the demon general.

Lu Yu's stamina is holding up, but his spiritual power is almost exhausted. He has slain over 3000 demon creatures, and his experience points on the panel are nearing 800,000.

Swish, swish, swish~ The Demon-Breaking Saber shrank back to its original size. Several demon creatures, seeing the saber shrink, attacked Lu Yu, only to be cut down by him in a few strikes. He activated the remaining spiritual power, transforming it into Celestial Falling Bright Flame to ignite the pile of corpses.

Lu Yu walked towards the safety zone, hearing continuous kill notifications on the way. The demon creatures in the pile that weren't completely dead were burned by the Celestial Falling Bright Flame.

The heart had long been collected into his backpack, and no more demon creatures were approaching.

A few reckless demon creatures blocking Lu Yu's path were sliced apart by him, their dismembered bodies twitching on the ground before finally succumbing due to the power of the Demon-Breaking Saber.

Compared to earlier when he could instantly kill with one slice, later on, as Lu Yu's spiritual power was severely depleted, the Demon-Breaking Saber could no longer instantly erase all the demonic qi within the demon creatures.

"The boss is coming, make way, make way."

"Is that a high-level spiritual weapon in the boss's hand? I just saw it enlarge."

"Boss, take me along; I can sing and dance... Umm umm umm!" A female disciple was pulled back with her mouth covered by her companion, both feeling embarrassed.

Most disciples gathered within the safety zone took advantage of Lu Yu attracting the demons on the tenth level to run in, curiously observing him and speculating about his strength.

Most remaining in the safety zone have thoughts of following Lu Yu to the next level of the tower.

Lu Yu stayed within the safety zone for a while, absorbing spiritual stones externally and consuming spirit fruits internally, to double the speed of spiritual power restoration.

Lu Yu noticed his qi blood recovery rate had significantly increased. After battling, his stamina and qi blood hadn't decreased much.

Now, as he sat down to rest, his qi blood was quickly recovering, almost regaining at a rate of one qi blood point per second, many times faster than his natural spiritual power recovery rate.

Half an hour later, Lu Yu's spiritual power was fully restored. He took out the heart of the demon general and stepped out of the safety zone.

Feeling the heart reappear, the demons within the tenth level boiled again, rushing frantically towards the safety zone. The moment Lu Yu stepped out, he was attacked by the demon creatures, and the battle resumed.

Seeing Lu Yu's actions, many left disappointed, entering the next level.

After 6 hours, Lu Yu exited the tenth level of the Sky-Piercing Tower. The double experience points buff ended, and Lu Yu's experience points reached 1.7 million.

Instinct told him that 1.7 million experience points wouldn't last long.

Bzzz bzzz bzzz~ His Identity Token vibrated; Lu Yu received a message from Quidefa.

Promised to share information about the Transformation Shield with Quidefa after returning from the Weapon Secret Realm, but as soon as he returned to the Divine Weapon Pavilion, he was called out by Yu Xiaoman, Wang Dalong, and Guo Cunrui.

Upon returning, he directly entered the closed meditation chamber for nearly five days. After coming out, he immediately entered the Sky-Piercing Tower, forgetting about Quidefa's issue.

He picked up the Identity Token to reply to Quidefa, learning he was now at the Bamboo Hut, prompting Lu Yu to hurry back.

Upon seeing Lu Yu, Quidefa hurriedly asked, "Is the Transformation Shield useful? How's the grappling hook form? Is the chain form useful? Did you use the hinge blade on the shield's edge? Does it transform smoothly? Any drawbacks found?"

Lu Yu awkwardly scratched his head; in the Weapon Secret Realm, he barely had the chance to use the Transformation Shield's functions. It was either settling with one strike or holding the shield to take a beating and run.

At a loss for words, Lu Yu handed the shield back to Quidefa. Seeing the shield, Quidefa fell silent, understanding that Lu Yu hadn't utilized any of the features he designed.

A transformed shield couldn't remain exactly like it was originally.

Quidefa put away the shield, patting Lu Yu's shoulder, "As long as you're safe."

Lu Yu couldn't help but say, "Senior brother, your shield is actually very useful; it saved me many times. Many times, it was because of your shield that I was safe."

Quidefa smiled and said, "No need to comfort me. Innovation failure happens often; a shield, after all, should focus on defense rather than being flashy."

Lu Yu suggested, "Actually, senior brother, you could consider combining mechanical techniques with artifact refining. The super protective armor you made before has strong defense, but it's cumbersome to wear."

"If you could use mechanical techniques to make the heavy armor easy to wear, even boosting the user's speed and strength, the usability of the super protective armor would greatly increase."

After hearing Lu Yu's words, Quidefa's eyes gradually brightened, inspiration erupting from his heart, surging endlessly with new ideas combining mechanical and artifact refining techniques.

"Thank you, junior brother!" With that, Quidefa hurriedly left the bamboo grove, rushing back to his artifact refining room to experiment with new ideas.

Watching Quidefa leave, Lu Yu hurriedly shouted, "Second senior brother, can you teleport from the secret realm without returning to the original place?"

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