It's cramped and cold here, even if Lu Tan doesn't mention it, the girls can't stay anymore.

However, it was too dark here, and all the light came from the spiritual techniques they used in turn, not only was it not bright enough, but the consumption of the spiritual root was also huge, Xie Wan's spiritual level was not high, and soon the spiritual root was exhausted, so Hotaru took over the lighting work.

However, although Hotaru is much taller, it is not expedient to use fireballs to illuminate all the time, and this place is full of unknown dangers, as well as the mountain god who does not know where to run. The dark guards brought by Luo Tianxin were far away, and what happened just now happened suddenly, a few of them followed Shen Mengyu's cocoon, and a few didn't have time to jump down, and at this time, only Hotaru was left around.

Hotaru wants to preserve his strength, in order to preserve his strength in a critical moment.

So Lu Tan thought of a way.

Since there is no temperature here, it means that he is not afraid of the ice being melted, so he directly asked Luo Tianxin to make a hollow ice hockey puck, and then held it in his hand, used his fist as a wick, and threw a hundred volts into it, and the huge light bulb was ready, and the sound of "poof-" lit up, lighting up the entire cave.

"Wow-" Xie Wan was shocked, "What is this, so beautiful, so bright, brighter than the night pearl." ”

Luo Tianxin and Hotaru were also a little shocked, the ice hockey made by Luo Tianxin was extremely pure, there were no impurities, and it was even cleaner and more thorough than ordinary glass, at this time, the light reflected through Lu Tan's electric light was far brighter than the simple electric light, and it was a rare object that Luo Tianxin had never seen as a king of a country.

And Lu Tan finally saw everything in this cave through this electric ice bubble.

The surrounding walls have traces of burning, and the charred black has formed a mural-like trace, like a child's stick figure, a total of five paintings.

The first is a group of small people surrounding a small figure, and the little figure who is surrounded in the middle is lying on the ground wearing a skirt, as if some kind of sacrifice.

The second, third, and fourth paintings are all hard to see, perhaps because time has passed, and many of the walls have peeled off, and you can barely see that there is a huge ding, and there is a person flying. In the fourth portrait, there may still be people kneeling in prayer, but it is uncertain whether they are kneeling in prayer or sitting in a meeting.

The fifth picture is much clearer, a small person sitting on a phoenix pedestal, and all the other figures are kneeling, in the sky, on the ground, in the water, with wings, with fish tails, without exception.

"This ......" Rao is Xie Wan's nerves are extraordinarily thick, and she also realized that the problem was wrong, she asked hesitantly: "This is your majesty?" ”

Luo Tianxin frowned, even the face that had not changed just now was finally not good-looking, she looked up at the burning mural on the wall, and said in a deep voice: "It's not me." ”

Xie Wan shuddered, wrapped the coat on his body, the clothes were already dry, Luo Tianxin just drained the moisture from everyone's clothes, but he still didn't keep warm: "Let's take a look again, in case there are other clues." ”

As he spoke, he took the lead and took a step forward.

"Crunch ......"

A strange sound came, which seemed to be the friction between the stone slabs, which made people's scalps tingle when they heard it.

Xie Wan was so frightened that he stood directly in place and didn't dare to move, and at the same time, countless lattices appeared on the ground in front of him.

The piece Xie Wan was stepping on had already been dented, and in a lattice opposite her, a one-man tall stone toad slowly rose from the ground.

The toad was even moving, its cheeks one by one, as if chewing something.

"What's that......"

Xie Wan covered her mouth in horror, she wanted to take two steps back in a panic, but Lu Tan directly supported her back with one hand: "Don't move." ”

"I'm afraid that toad is a mechanism, he won't come, don't move yet." Lu Tan said in a low voice, and then began to walk around the suddenly extra lattice on the ground.

There are three rows of grids horizontally and vertically on the ground, and there are no rules, no conditions, no prompts, just out of thin air.

"Have you ever seen anything like this?" Lu Tan took Luo Tianxin and the others around the chessboard and asked.

Luo Tianxin and Hotaru glanced at each other and shook their heads, but added, "The two of us have grown up in the Deep Palace since we were children, and we may not have seen anything, what about Miss Xie?" ”

Lu Tan described the appearance of this chessboard to Xie Wan, Xie Wan looked at the stone toad opposite her in front of her, and shook his head: "I've never seen it." ”

Lu Tan nodded: "Then we can only try, there may be danger, everyone is ready." ”

He looked at the nine-square grid on the ground and drew a small one on the ground: "Take the horizontal as one, two, and three, and the vertical as the marks of A, B, and C. Now Wan Mei is in C 2, and the toad is in A 2." It looks like some kind of chess, but we don't know the rules, so let's test the rules first......"

As he spoke, he pointed to Bingsan's position: "Hotaru go." ”

Hotaru nodded, and stood up without saying a word.

The sound of the squeaky slab rubbing against it sounded again, and the slab under Hotaru's feet fell.

Lu Tan's eyes widened and he saw a toad rising from Bingyi's position.

"I probably know what kind of game this is......" He touched his chin and looked at Luo Tianxin, considering that maybe the last one and the first one have the most dangerous chances, and now that the first one has been stepped on by Xie Wan, then try not to let Luo Tianxin step on the last one.

Although human life is equal to him, in this world, Luo Tianxin's responsibility is indeed heavier than that of each of them.

So he stepped on B-3.

If this game is as he thought, it needs three lines to win, then the toad will definitely rise from the first three.

With the sound of a third squeak, a toad rose from the position of the third one.

Only this toad was different from the previous two, its eyes were set with two large rubies, and it was now emitting an ominous light.

What's even more shocking is that this toad inlaid with rubies has a heat source on his body, and he has been exuding a hot temperature.

Hotaru was okay, she remembered her duties and didn't move much, but Xie Wan quietly moved some positions a little greedily and moved a little closer to it.

In this place where everyone's temperature is sucked away, there is a heat source that constantly emits heat, which is really difficult for people to control themselves.