The three mechas rushed into the ruins, circling several times before finally stopping in a relatively secluded corner. Xiang Fan, manipulating Mecha Zero, leaned against a damaged stone wall and breathed a long sigh of relief. "Did those guys really not catch up?"

The Shadow Killer's light armor performed a graceful backflip, striking a handsome pose upon landing. "Of course they didn't catch up! They must have been so stunned by my extraordinary dancing skills that they dared not move."

The Xuanwu Guard's heavily armored mecha rumbled to the ground, shaking it three times. He slapped his thigh, making a metallic clang, his voice louder than his mecha: "Bullshit! It was clearly me and the boss who each blew their asses off with a sword, scaring the living daylights out of them!"

"Boss, speaking of which..." The Xuanwu guard's mecha turned to Zero, his eyes filled with questions. "How did you know those two Jindan mechas' buttholes were so fragile? They were like paper, they'd burst with just one poke."

Xiang Fan calmly replied, "I've seen their mecha design in a book. This model's rear thruster design is very backward, with most of the kinetic energy circuit concentrated in the rear. Although the thrust is strong, the design is too exposed. A single strike at the core point can completely paralyze them."

After hearing this, Shadow Killer exaggeratedly covered his chest and shouted, "Boss, you're a complete encyclopedia on the battlefield! I thought the Jindan mecha was so awesome, but I didn't expect it to just go 'poof' and turn into scrap metal!"

Not willing to be outdone, the Xuanwu guard twisted his mecha and sighed exaggeratedly toward the sky: "Boss, my admiration for you is like a surging river, endless and unstoppable, simply unbeatable!"

Xiang Fan was embarrassed by the praise from these two funny guys and quickly waved his hands: "Alright, alright, stop flattering me. Come here and see what's in this golden box."

The Shadow Killer's mech jumped up to the box and felt around its surface with both hands. "Boss, do you think it could be some mysterious item? Like super equipment? Or some incredible skill book?"

The Xuanwu guard's mecha moved closer, and a kind of vulgarity was revealed in the mechanical voice: "I guess it might be the eldest sister of Taiqing Xuanzong... Wet temptation! Hehehe!"

Xiang Fan nearly choked to death on his own saliva and quickly waved his hands: "Are you crazy?! How could it be that kind of thing!"

The Shadow Killer patted the Black Tortoise Guard's shoulder solemnly and said earnestly, "Big guy, you don't understand the depths of the Chaos Realm. In this place, anything is possible. I heard that a guy opened a box and saw a video of himself picking his nose naked..."

After hearing this, the Xuanwu guard waved his hands in disdain: "Stop talking nonsense! Who would believe that kind of legend? Open it quickly and take a look. Don't waste your time."

Xiang Fan sighed and slowly extended the robotic arm of Mech Zero. "Alright, I'll take over. I just washed my hands and wiped them clean. They're definitely better than you two 'chrysanthemum blasters'."

The Shadow Killer's mecha shrugged helplessly: "Alright then, let's see how lucky the boss is."

The lid of the golden box slowly rose, accompanied by a dazzling golden light that shot straight into the sky, almost blinding the electronic eyes of the three mechas.

"Boss, what's going on?! The golden light blinded me!" The Shadow Killer's light armor suddenly jumped back a step and almost hit the Black Tortoise Guard's heavy armor.

"Don't worry, calm down!" Xiang Fan's Mech Zero stood steady as a rock. The detector swept across the box, and after a moment, the scan results appeared on the screen. In the center of the box, three glowing crimson crystals floated in mid-air, each emitting a scorching aura, like a core of powerful energy.

The Black Tortoise Guard's mecha extended its thick mechanical fingers and attempted to touch the Red Flame Energy Crystal. "This looks like a good thing. Let me feel it first..."

"Don't touch it!" Xiang Fan stopped his robotic arm. "Don't touch this kind of thing until you've thoroughly studied it. If it explodes, we'll have to go back to the drawing board and rebuild it."

Shadow Killer quickly opened the virtual interface, and various data quickly popped up on the spiritual light screen. His mech's head suddenly lifted up, and his voice was filled with excitement: "Boss, I found it! This is the Red Flame Energy Crystal! The official database shows that this thing can increase the propulsion speed of mechs, making heavy mechs run as fast as light mechs!"

"Increase the propulsion speed?" The Black Tortoise Guard's mecha's mechanical arm slapped its thick chest with a loud noise. "This is a treasure! With this, I, the Black Tortoise Guard, am no longer just a piece of iron mountain, but a flying iron mountain! Hahaha, just thinking about it makes me feel great!"

"Don't be too happy." Xiang Fan calmly looked at the scan data. "This is indeed a good thing, but how to modify it into a mecha still needs research. Xuanwu, put it away first, and don't let Shadow Killer exchange it for some weird things, like 'Wet Temptation' or something like that."

The Xuanwu guarding mech laughed twice, quickly reaching out and carefully placing the crystal into the mech's virtual storage compartment. He patted his chest and assured, "Don't worry, Boss! With me here, that Shadow Killer kid definitely doesn't stand a chance!"

The Shadow Killer's mecha acted as if it had suffered a great injustice and pretended to wipe away non-existent tears. "Boss, you don't trust me at all! I'm a serious person! I changed into a wet body temptation... but it was also for academic research!"

"Shut up." Xiang Fan interrupted him coldly, "Pack up and prepare to retreat. I'll first figure out how to use this crystal. Once the modification is finished, we'll come back and catch a bigger fish."

The Xuanwu guard's mech stood up straight and proudly, hands on hips in a triumphant gesture. "Haha! Once I finish modifying the crystal, I'm going to charge into the Chaos Realm! Then I'll make those Jindan mechs eat my dust. Let's see who dares to underestimate the speed of a heavy mech!"

"That's a nice thought." Shadow Killer said in a teasing tone, "By the time you've fixed it, maybe I'll have learned how to drive a crystal sports car!"

Xiang Fan listened to the two clowns bickering and couldn't help but hold his forehead. "Alright, stop talking nonsense and get out of here. Can you two just be quiet? Don't let your alterations get turned into scrap metal because of an argument before you even finish them."

The three mechas quickly adjusted their formation and, under the invisible cover of the Shadow Killer, quickly evacuated along the ruins. Looking back, the mecha guarded by the Black Tortoise even made a cool goodbye gesture.

"Goodbye, everyone!" His loud voice echoed among the ruins. "Next time we meet, I'll be able to poke your assholes whenever I want!"