Xiang Fan coldly manipulated the basic mecha to perform a precise circling move, trying to shake him off: "Not interested."

The Shadow Killer persisted, his tone suddenly lowering a few degrees, deliberately lowering his voice, as if revealing some shocking secret: "Hehehe, this is the Hehuan Sect's spiritual mirror spell record... You know what it is, right? Guess what it is?"

Upon hearing this, the Black Tortoise Guard maneuvered his bulky heavy armor over and roared with laughter, "Shadow Killer! You even pulled out something like this? This must be your most valuable treasure! You're so willing to part with it! Wow, it's definitely rare!"

Xiang Fan stopped the mecha. He thought the other party was talking about a battle video of some special sword moves. He frowned and asked, "What is that?"

"Hey, don't ask so many questions!" Shadow Killer's tone became even more mysterious, and he deliberately dragged out the tone. "All you need to know is, as long as you help me improve the assassination charge move, this thing will be yours! I guarantee it will open your eyes!"

Xiang Fan scratched his head, feeling a little hesitant. He'd never really cared much about these so-called "thank you gifts," but if they could give him some practical combat skills, it wouldn't be a loss. He asked tentatively, "Is it really useful?"

"It will definitely be useful! It's even rarer than spiritual ore! Come and help me, boss!" Shadow Killer patted his chest and promised, his tone revealing indescribable excitement.

Xiang Fan sighed, but ultimately couldn't resist the temptation and reluctantly agreed, "Alright, send it over. I'll give it to you after I've revised it."

After half an hour of meticulous adjustments and repeated testing, Xiang Fan finally optimized the Shadow Killer's dashing and assassination moves. He recorded a demonstration video and sent it over, adding, "Done! Go practice!"

"Wow!" Shadow Killer exclaimed as he watched the video. "Boss, this is incredible! Not only is the speed twice as fast, but it also saves spiritual energy! This modification is simply amazing!"

Unwilling to be outdone, the Black Tortoise Guard maneuvered his mecha forward, emitting a dull metallic clang. "Tsk tsk tsk, Boss Zero, when can you help me fix my Black Tortoise Guard stance? I'll give you two C-rank virtual mecha parts as a thank you, how about that?"

Xiang Fan had an indifferent expression on his face as he turned around while controlling the basic mecha: "Stop making noise, I'm offline."

"Stop it, Boss!" Shadow Killer shouted hurriedly, "I've already sent you the thank-you gift. Go back and take a good look at it. I promise you won't be disappointed!"

Xiang Fan casually closed the virtual battlefield and complained silently in his heart: "A thank you gift? It must be some messed up battle footage again. What a hassle."

Returning to his own cabin, Xiang Fan opened the file sent by Shadow Killer and muttered to himself nonchalantly, "It's probably just another video on basic assassination techniques."

However, the moment the screen lit up, he froze.

In the image, a female disciple of the Hehuan Sect bathes in a spiritual spring, spiritual energy transforming into a thin mist surrounding her body, her graceful figure barely concealed in the hazy haze. A gentle shake of the camera reveals ripples in the spring, and the scene beneath the mist becomes even more indescribable.

"Ah!!!" Xiang Fan let out an earth-shattering wail, threw himself towards the screen, and frantically clicked the close button.

"What the hell is this!" He covered his face, feeling his cheeks burning and his heart beating as fast as a drum. After a long while, he finally peeked through his fingers, glanced at the screen carefully, and turned his head away again.

"No, no, this is too much!" He shook his head vigorously, trying to erase the image from his mind. But the image was as stubborn as a brand, lingering and becoming clearer. He gritted his teeth and cursed softly: "Shadow Killer! You bastard!"

He was so angry that he walked around the room twice, looked at the spirit stone lamp on the table again, took a deep breath, and forced himself to calm down.

"Forget it... Forget it!" He held his forehead and sat back in his chair. He picked up a pen to take notes from today's class, but found that his mind was filled with the spiritual spring, the mist, and the blurry figure. He slammed the table and roared through gritted teeth, "Shadow Killer, I will kill you!"