Leaving Mars' eateries, Yare wandered aimlessly around the shores of the Lake of Mist, a so-called lakeside that was actually a mile away from the real lake, covered in dense hardy vegetation and a paradise for ice elves.

The pebbles under his feet are like a beautiful silk scarf, smooth and round pebbles, forming light green stripes like water waves, enough for fifty people to walk side by side. On the left is a wooden fence separating visitors, and on the right side are clusters of hyacinths, kale, lilies, and calendula that are not afraid of the cold.

Most of the tourists stopped and gathered around the guardrail, wearing special telescopes, and watching the lake of fog with relish. But today is not the day of the "Fairy Wars", what are these people watching?

Curious, the Black Knight found a gap in the crowd and squeezed in, where a cicada-wing-like transparent mist was rising from the surface of the lake, and the sun was shining brightly.

In the depths of the mist, dozens of ice goblins gathered together, looking curiously below, on the surface of the lake below them, a huge white stone block was undulating with a slight ripple.

Uh, a stone floating on the water......

Are's eyes widened and he tried to look over, but by chance, the stone was tossed to the back by a gust of wind, revealing a face with thick eyebrows and big eyes, but the expression was bitter and hateful, and the ice goblins scattered and fled.

Wrong...... It wasn't a stone, but judging by its smooth surface, the shape of the ellipsoid, and the weight of it that could float on the water, it was an egg about the height of an adult.

The giant egg threw a pair of tiger eyes to the guardrail, and said in a deep and mature tone: "Finally able to breathe, stupid human!

"Damn, the egg speaks! What is this, I haven't heard of such a goblin in the Lake of Mist. ”

"Its expression is so stern, it looks so serious, but for some reason...... I want to laugh when I see it...... Giggle......"

"It told us to fish it out, what should we do? We can't approach the lake, let alone slam the stuff in the lake. ”

"Everybody, get out of the way!" two staff members in beige uniforms ran over, one of whom had a thick hemp rope hanging from his shoulder, and ran directly over the guardrail and ran to the lake in one go.

The diminutive staff member tied the tip of the rope into a loop, then grabbed three feet below the loop, spun twice in the air, and then threw a parabola and hit the dome with precision.

"Well done!" the crowd erupted in sporadic cheers.

"Wait a minute!" the ice goblins suddenly surrounded the dome again, and one of them, which was a little bigger than its peers and still a little small, stood out and landed lightly on the egg.

"What is in the lake, that is, ours, how can you take it casually. "This ice elf is rare in fluent Rosevia.

"Give us the eggs first, and we'll exchange them for candy later. The slightly taller staff said a little impatiently.

"I don't want sugar!" the other party sternly refused.

"Stupid ice goblin, let me go quickly, or you'll die!" The giant egg squeezed out a fierce expression, and the next second it was frozen inside.

"It's not impossible to want this egg. "This ice fairy has a beautiful blue hair, three pairs of crystal wings spread out in a straight line behind it, and a pair of frames on its delicate childlike face, which looks full of intelligence.

She looked around with her head held high, and said sternly, "If you want this egg, answer me a math question!"

As soon as these words came out, almost everyone, including the staff and tourists, burst into laughter. What's the situation, the ice goblin who is rich in fools, who claims to only be able to calculate addition and subtraction within nine, actually said that he wants to discuss mathematics with humans, is this world going to be ruined?

The taller staff suppressed a smile and said nonchalantly, "Okay, you can just ask!"

"Okay, listen carefully. A haughty smile hung on the corner of the ice fairy's mouth, and it flew into the air, and the crisp voice spread throughout the lakeside:

"It is impossible to divide a cubic number into the sum of two cubic numbers, or a power of fourth into the sum of two powers of four, or in general to divide a power higher than a second into the sum of two powers of the same power. I'm sure there's a wonderful proof of this, and you can take this weird egg as long as you give it. ”

The confident expression of the staff froze on his face, he had never heard of such a complex math problem in his life until now...... Not to mention solving the problem, I can't even understand the other party's language as a number symbol.

"Why? can't you answer?" the ice goblin lifted his glasses and said disdainfully, "mortal wisdom." ”

"This ...... This ......"

The man froze in place sweating profusely, and looked at his colleague as if asking for help, but the other party could only fold his shoulders helplessly, and said that he didn't understand a word.

"That'...... Is that really an ice goblin called a stupid one? This guy looks like a complete intelligence group. ”

"Sounds so complicated, I don't know what she's talking about? Aren't they even able to add and subtract?"

"That guy looks like the elite of the Ice Elves, and even then, the high intelligence is too abnormal. ”

After the intellectual superiority was shattered, the tourists whispered to each other as if they were in a dream, and no one could believe what was happening in this moment.

"If any of you can give the right testimony, you can take this egg. The ice fairy proudly challenged everyone present, and after speaking, she touched her chin:

"This problem will be called the Great Law of Ice Fairies from now on, and I don't think any of you will be able to solve it. ”

In the face of the little goblin's rude provocation, many math fans among the tourists immediately took out paper, pens and various calculation tools, fell to the ground at the moment, and began the long process of proof.

Among these people, there are also people who feel that the ice goblins are talking nonsense, and even so, they have to prove this so-called "ice goblin law" on the spot is wrong!

As a math idiot, Yalei was very self-aware and did not participate in it, but just looked at the giant egg carefully from a distance of a few miles, feeling an inexplicable palpitation.

After a while, he heard a familiar footstep behind him:

"That's the legendary prophecy egg......"

Avis walked up to the black knight, grabbed the guardrail with both hands, his expression was stern and scary, and he squeezed out a sentence from between his teeth:

"The black egg gives birth to life, the white egg releases death, the king of terror falls from the sky, the stars fall to the ground, the full moon is like blood, the sky shifts, and the earth is destroyed...... The sevenfold seals are all lifted, and the sun will no longer rise. ”

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