Seeing the manager of his own arena being picked up by a rowdy noble, the office secretary hurried forward to add her voice.

"Please calm down, Mr. Kamu! It's not just you watching the battle here, there are also the Padric family, the Colin family... and other families as noble as yours. If they find out you're throwing a temper tantrum because you can't accept defeat, I don't think it will be good for the reputation of the Dragon family."

Kamu's eyes narrowed dangerously, but he released his grip on the manager's collar.

"Are you threatening me?"

The office secretary swallowed nervously and said anxiously.

"I didn't mean that... just a friendly reminder."

Kamu snorted coldly and stormed out of the manager's office, back to his own VIP box.

If it had only been the Padric family, he wouldn't have been afraid, but he hadn't expected the Colin family to be here too.

"Calm down..."

Sitting on the sofa, he took a deep breath and murmured to himself, forcibly suppressing the anger boiling in his chest.

It seemed that Xino the useless could no longer be counted on.

Even if that guy managed to win the siege with a group of defeated soldiers, he would still lose to the Demon King of the Great Graveyard due to the huge score gap.

Kamu, biting his thumbnail, thought rapidly, trying to come up with a strategy to break the stalemate.

However, at this moment, his mind was as clogged as if it was filled with paste, and no matter how hard he thought, he couldn't come up with anything.

Cheating in front of all these eyes was too difficult, and it was already too late to start preparing now.

The only thing he could hope for was for that little girl from the Colin family to play some role.

Yet seeing that the other side didn't even plan to attack close to the fortress, he knew his expectations were likely in vain.

Watching the fortress, shaking like a candle in the wind under the relentless bombardment, Kamu felt nothing but heartache.

Thinking about the money he had spent on that castle, he felt a pang of pain and finally hugged his head and roared in agony.

"Ahhh!!!"

He wished he could enter the fray himself and tear that Luo Yan to pieces!

But at this point, he could only wish for such things in his heart...

...

While Kamu Dragon was raging impotently, a certain elder of the Dragon family hidden among the audience seats was also looking at the screens floating in the air, his eyes showing surprise.

It wasn't just the people of the Dragon family.

The people of the Colin family felt the same way.

Sitting in the VIP box, Caesar Colin's face was completely filled with astonishment, his mouth agape, eyebrows raised.

"...What is that thing?"

Although he was a Vampire Prince and concurrently the military minister as well as the right hand of the Demon God, he had never seen such a strange and unusual object.

Principal Avin's expression was hardly calmer than his; judging by the burning soul fire, his shock seemed even more exaggerated.

"I think I know what that thing is... it's called a Demon Crystal Cannon."

"Demon Crystal Cannon?" Caesar looked at him with surprise, his eyes fervently inquiring, "What is that?"

Principal Avin fell silent for a moment, the soul fire in his skull flickering as he spoke as if in a trance.

"About nine hundred years ago, at the forefront of the battle between the Empire and Hell, there appeared a cannon capable of firing magical energy... No one knew where it came from, only that it seemed to have been born along with the ordinary cannons in the heartland of the human world."

Caesar Colin looked at him in amazement, then asked with confusion.

"But why have I never heard of it? Are you sure it appeared on the front lines?"

"Nine hundred years ago, on the front lines, you weren't even born yet, how could you have heard..." Principal Avin answered with a chuckle, pausing for a moment before continuing, "Unlike steam engines, this technology was unfortunately lost, and even the humans who invented it forgot how to make it. Otherwise, with Hell's Demon Crystal production, if we had successfully adopted it, it would obviously have been more advantageous to us..."

At this point, a glint of anticipation appeared in Principal Avin's eyes.

"I never thought, after so many years, I'd see it again in an arena of all places..."

It seemed that the pendant he had given to Luo Yan had proven useful; that lad must have found the relics of the Isaac Dynasty or something similar with it.

Thinking this, Principal Avin felt genuine pride for this incredibly talented student from within!

...

Meanwhile, in the Padric family's box.

Watching the magical energy beams flickering on the big screen and the walls crumbling under the barrage, Mia's face was also filled with shock.

"So that's how those Demon Crystals are used?!"

Lady Serena blinked with curiosity.

"Demon Crystals?"

Mia nodded lightly.

"After registering yesterday, he went with me to the Slave Market and purchased a batch of Demon Crystals worth a million Kela and a thousand goblins... I thought he bought the Demon Crystals to bring reinforcements from the Demon King Territory, but I didn't expect them to be used here."

Luo Yan had indeed moved some items from the Demon King Management Department's teleportation formation to Demon City, including the goblin he had received as a gift.

However, those items clearly couldn't account for the million Kela worth of Demon Crystals.

Feistin, sitting on another sofa, was completely unable to take his eyes off the screen, staring intently at the magic light, his eyes flashing with excitement.

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