"I'm sorry, Professor Heimerdinger, for leaving your office in this state."

Li Lin retracted the steel barrier and looked around the extremely messy office. He apologized to Heimerdinger who had just come in.

"It's not your fault, kid..."

Li Lin could hear the anger in Heimerdinger's tone, but it was not directed at him.

Then, Heimerdinger clenched his fists and walked up to Ziggs, who realized what he had done wrong, and shouted at him angrily:

"Giggs, you're being unreasonable! I warned you not to do anything dangerous like this! Look what a mess you've made of my office!"

This was the first time Li Lin saw Heimerdinger lose his temper.

However, he believes that Giggs, who likes to play with fire and seek excitement, deserves it and does not deserve sympathy.

Giggs lowered his head, looking aggrieved, "But I didn't do this..."

Upon hearing this, Li Lin's anger, which had just subsided a little, suddenly rose again and he almost couldn't help but curse.

Fortunately, I traveled to Piltover and dealt with the polite people of the Gilaman family every day, away from the relatively bad gaming environment.

Otherwise, based on his previous temper, he would have scolded Giggs for five minutes without a single asterisk.

Hearing Ziggs shirking responsibility, Heimerdinger's face became even more angry.

"If it weren't for you, Li Lin would be able to use his... uh, what was it?"

"Iron Barrier." Li Lin reminded from the side.

"Yes, how could he possibly use that deployable steel barrier!"

As he was speaking, Heimerdinger seemed to suddenly think of something and turned his shining eyes to Li Lin.

"Child, can you let me take a look at this so-called 'iron barrier' of yours?"

No, why does your train of thought change so quickly?

One second I was scolding Giggs, and the next second my attention turned to my invention...

Li Lin suppressed the urge to complain, "Of course, no problem, Professor."

Then he bent down and handed the palm-sized, not-too-heavy iron block from his pocket to Heimerdinger.

"How can such a small piece of iron expand into such a large space?"

Heimerdinger looked up and down at the "Iron Barrier", stroking his white beard from time to time, with a thoughtful look on his face, completely ignoring Li Lin and Ziggs.

After a while, unable to figure out what was going on, he looked up at Li Lin, curiosity glittering in his eyes.

"How did you make it bigger, kid?"

"Here's a trigger, Professor."

Li Lin pointed to a place on the iron block that was completely flush with the rest of the block, except for a slightly different color.

"If you press this button briefly, it will unfold into a steel shield. If you press it long and drop it on the ground, after two seconds it will unfold into a room like the one just now..."

Heimerdinger tapped the area as instructed by Li Lin.

There was a sound of mechanical metal friction, and the palm-sized iron block unfolded into a steel shield almost as tall as him in just one second.

"Oh~~ The gears are rotating clockwise. This is an invention beyond my expectation... How did you do that, kid?" Heimerdinger couldn't help but exclaimed.

"I created it by accident..."

Li Lin was not shy about explaining to Heimerdinger the principles of the "Iron Barrier" that he had learned through the system panel.

After all, this technological device uses "matter compression" technology, and Li Lin believes that his understanding of science is not as thorough as that of this elderly and knowledgeable Yodel.

If Heimerdinger were allowed to study this, he might be able to develop the "matter compression" technology in advance.

For a mechanic like Li Lin, the most important prerequisite for summoning an entire army of steel with a wave of his hand is the material issue.

The "matter compression" technology perfectly fits the characteristics of his profession.

The sooner it is done, not only will it be more beneficial to his development, but it will also reduce some of the pressure in dealing with major events and world crises in the future.

Li Lin quickly explained the principle of "Iron Barrier" to Heimerdinger, and then gave a brief description of his idea of ​​"matter compression".

After listening, Heimerdinger thought for a long time, frowning and considering the feasibility of Li Lin's statement.

After a while, he blew his beard and returned to reality. "Hmm, that's a good idea. Compressing matter through some method... I'll study it later."

"Then this device is for you, Professor."

"Oh~~ You're so generous, kid. Thank you so much. Just put it over there for now."

Li Lin helped Heimerdinger retract the unfolded steel shield and turn it into an iron block, and then placed it on a mini desk not far away that was not affected.

Having temporarily solved this problem, Heimerdinger's attention shifted to Ziggs, who seemed restless and nervous.

"I'm sorry, Ziggs. Based on your behavior just now, I'm afraid I'll have to ask you to return to Bandle City and train for a while longer."

"Oh what? No, Professor Heimerdinger, you can't do that!"

Tears welled up in Giggs' eyes, and he said with a hurt expression, "I haven't started my engineering blueprint yet, and I still have research results to show. I can't go back!"

"I'm in charge here, Giggs."

Heimerdinger's tone didn't soften at all because of his sadness.

"Even though you were invited by the professors of Yodel Academy to present your research, don't forget that I am the dean of Yodel Academy and also the president of Piltover University!"

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