Li Feng didn't say anything, took the wooden sign and placed it where it should be placed. The floor tiles could not sense the sunlight completely, and then they automatically sank, forming a black hole. Not long after, a machine box rose from the black hole.

Li Feng was shocked: "It's it."

The three of them surrounded him. This time there was no password gear on the machine box, but the surface of the lid had a chaotic pattern, which was cut into pieces and a hole in the upper left corner.

Jing Rong wondered: "Why is there a corner missing?"

"This is a puzzle." Li Feng's eyes were quiet, and his fingers pushed the fragments quickly and moved them. "We have to put them back into the original pattern before the box will open."

"Hurry up!" Qiuye stared at him from time to time and urged anxiously, "There is no time!"

As time approaches, Jing Rong becomes more and more nervous.

Li Feng still kept calm and unmoved by the wind and rain, not letting any disturbance affect his thoughts. His eyes moved as he moved, and his fingertips moved faster and faster. The pattern changed in the repeated movements, dazzling Jing Rong and Qiu Ye.

The last piece was completed, and each piece of debris finally returned to its original position. Li Feng's eyes opened slightly, and the machine box was automatically opened, and the circular metal key appeared.

"Finished!" Jing Rong said in surprise.

"Come here quickly!" Qiuye was already waiting for them in front of the stone wall with his keys, and could no longer delay.

Li Feng looked at the key in his hand, and as expected, he had indeed carved a star-shaped pattern.

He and Jing Rong also rushed over, each holding a key and embedded it into the corresponding grooves.

"I count three times, let's turn in the direction of the knob pattern together." Li Feng reminded them calmly, Jing Rong and Qiu Ye looked at him one by one, nodded decisively, indicating that they were ready.

"one……"

"two……"

"three!"

The three of them were almost the same force and speed. This time, they really turned the groove of the stone wall. The stone wall made a dull sound and slowly rose up, revealing the deep secret passage when the princess left.

Success!

But before they could be happy, they suddenly felt the soles of their feet empty, and the three of them fell down together, as if they were falling into an unknown world...

Min and Ruan were caught off guard and screamed. The seven people left on the ground were scared and thought they had fallen to death.

The three underground people came to their senses and found that they were in an underground palace with a row of candles for lighting.

Jing Rong helped Li Feng up: "Brother Mu, are you okay?"

"I'm fine." Li Feng looked at Qiuye with the flow, "Where are you, Brother Min?"

"I'm fine, what's going on now?" Qiuye said in a faint tone, pretending to look at the surrounding environment.

"The situation is that the princess seems to have to test us." Even at this moment, Li Feng could not hear any urgency in his tone.

"Ah?" Qiuye was dumbfounded, with a little impatient expression. She thought that after the past three days, they had been tortured to the point. What a strange test, one after another, when will it be?

"You three are indeed very capable."

Just when the three of them were at a loss, Youmeng's voice came from a secret realm in the distance.

"I was able to find all the keys within the specified time and walk out of the secret room."

The three of them looked up and saw a door at the end of the secret passage opening. Bright sunlight shone in, and the eyes were white. Li Feng narrowed his eyes slightly: "It's the exit."
Chapter completed!