Sure enough, twenty minutes later, they came to a cave. I saw that this cave is more than 100 meters high, the diameter of the cave entrance is also tens of meters, and the depth of the cave is endless, and the crystal flint that makes the soul tremble is in this cave.

Standing at the entrance of the cave for a while, Yu Tianxiao and Lan Xing'er signaled to each other, and then slowly walked towards the cave while holding the sword and being vigilant everywhere.

I saw that the more this big cave went in, the more dim the light became, and from time to time there was the sound of water flowing from the cave, which was really peculiar, a cave located in the middle of the mountain actually had a flow of water, it is likely that this water came from somewhere else, and not originally in this cave.

Yu Tianxiao couldn't help but make such a conjecture, and Lan Xing'er beside him also looked around from time to time, with doubts on his face, so the two of them looked around and looked around while moving towards the deeper part of the cave.

As they continued to advance towards the depths of the cave, their soul tremor became stronger and stronger, and after the two of them had traveled about three kilometers into the cave, suddenly, their souls were almost boiling, and they flew out of their bodies, and it was at this time that they suddenly discovered that there was a glowing stone less than a hundred meters away from them.

I saw that the stone was shrouded in a layer of fiery red light, and the fiery red light was so dazzling that it was impossible to breathe!

"Crystal flint!" When Yu Tianxiao and Lan Xing'er saw the stone that shone red, they couldn't help but exclaim at the same time.

"The flint is so strange, that sense of calling, that beautiful color! It's ...... It's incredible! At this time, Lan Xing'er couldn't help but say with shiny eyes on the side.

"Hmmm! Sure enough, it's a treasure of heaven and earth! Yu Tianxiao couldn't help but exclaim excitedly.

……

Oh! Just when Yu Tianxiao and Lan Xing'er were excited about the appearance of this crystal flint, suddenly, a deafening roar came out!

"What!" Hearing that deafening, even terrifying cry, Yu Tianxiao couldn't help but immediately scream, and Lan Xing'er, who was standing beside him, couldn't help but be startled, and then the sword in his hand was also tightened, ready to attack at any time.

"Boom!" With that breathtaking roar passed, a fiery red figure suddenly pierced out of the hole, and instantly came to Yu Tianxiao and Lan Xing'er.

When the fiery red figure came to Yu Tianxiao and Lan Xing'er approaching, both of them were shocked, what kind of monster is this!

I saw that the fiery red monster was humanoid, eight meters tall, and all over its body, including eyes, eyebrows, nose, mouth, and chin, etc., was translucent fiery red, as if it was cast from magma.

Seeing the fiery red giant in front of them, Yu Tianxiao and Lan Xing'er couldn't help but immediately subconsciously take two steps back, because it was the first time they had seen such a strange life.

Just when they were surprised by the sudden appearance of this monster, they saw that the fiery red giant said in a mouth: "If you want to get this crystal flint, you must first pass my level, if the two of you can defeat me, then this crystal flint will belong to you, otherwise I advise you to leave early!" ”

"Knock you down!" Hearing the words of the fiery red giant, Yu Tianxiao and Lan Xing'er couldn't help but immediately say in unison.

"Yes, knock me down, as long as you can knock me down, then this crystal flint will be yours!" The fiery red giant emphasized again.

"That's not easy! Xing'er, you watch here first, and I'll go to explore the reality first! Yu Tianxiao first shouted at the fiery red giant, and then whispered to Lan Xing'er.

"Good! Then you have to be careful! Lan Xing'er nodded immediately, in terms of strength, Yu Tianxiao is much stronger than her, so in this situation of not knowing the details of the other party, it is better to let Yu Tianxiao test it first, otherwise if he goes to the first place, he will be shot to death by that monster all of a sudden, and he will not be able to find a tune to cry.

"Don't worry, I'll be careful!" Yu Tianxiao nodded first. Then he turned his head and yelled at the fiery red giant: "Old monster, you can pour it for me!" "Boom! With the Star Slashing Sword in hand, he stabbed at the fiery red giant with all his might!

"Bang! Remote...... Impulsive! I saw that when Yu Tianxiao's star-cutting sword stabbed the giant's chest with all his strength, suddenly, as if a sword was stabbed on the elastic steel plate, in an instant, Yu Tianxiao was bounced away, and then flew more than a hundred meters away before falling heavily to the ground!

"Holy! It hurts me! What a thing! There can be so much flexibility! Yu Tianxiao scolded quietly while getting up from the ground.

And at this time, Lan Xing'er, who was standing on the side, couldn't help but be completely stunned, if it wasn't for the timely dodge she just now, she would have been knocked away by Yu Tianxiao now!

When Yu Tianxiao slowly returned to Lan Xing'er's side, he saw that the fiery red giant couldn't help but open his bloody mouth and laughed: "Haha! How's that, two little ones, you know how good I am! After finishing speaking, I couldn't help but look proud.

At this moment, Yu Tianxiao, who returned to Lan Xing'er's side, couldn't help but immediately pull him aside, and then whispered to him: "This guy is so powerful, I will be bounced away by him all at once when I go all out, it seems that it is impossible for us to defeat him." ”

"Can't the two of us join forces?" At this time, Lan Xing'er couldn't help but ask softly.

"Two people joining forces? Your little strength doesn't work, this fiery red giant is really powerful! "Yu Tianxiao knows his strength very well, his original height is as much as ten meters, which is a little taller than this fiery red giant, but he couldn't help him even with his full strength before, what is the use of Lan Xing'er's little strength?

"What then? Shall we just give up and go in search of other crystal flints? Suddenly, after listening to Yu Tianxiao's words, Lan Xing'er couldn't help but ask anxiously.

"There is a way, but I don't know if you dare?" Yu Tianxiao first glanced at Lan Xing'er, and then said softly.

"What's the solution? As long as I can get the crystal flint, I'm willing to give it a try! Lan Xing'er said without hesitation.

"It's a robbery!" Yu Tianxiao said immediately. Originally, Yu Tianxiao wanted to say steal, but after thinking about it, this fiery red giant is likely to be an energy-type life or a rock-type life, and the main feature of such a life is that it does not need to rest, so even if Yu Tianxiao and the two of them wait until the assessment time is completely over, it is impossible to wait for the opportunity to steal the crystal flint, so the most feasible way is to rob it.

"Rob! How to rob it, you were pushed back by him just now, how can we rob it with him standing there? After listening to Yu Tianxiao's words, Lan Xing'er couldn't help but ask suspiciously.

"Have you forgotten that I have the illusion of the body?" Yu Tianxiao couldn't help but smile and said, Yu Tianxiao's doppelganger technique has not been known by anyone other than Pipido so far, so at this moment, Yu Tianxiao still doesn't want to tell Lan Xing'er, it can only be said that it is a phantom body technique.

"Phantom body, what's the use of that, your deity is not his opponent, and no matter how many phantom bodies go, it won't let the giants be destroyed one by one." Lan Xing'er couldn't help but whisper.

"Don't worry, no matter how he shoots, he can't shoot me. After a while, I'll use my illusion to entangle him, and then you'll find an opportunity to rush through the gap between the two of us, get the flint in your hands, and then take the opportunity to escape, and then we'll take the flint with you, and I'll fly, believing that the fiery red giant will not be able to catch up with us. Yu Tianxiao couldn't help but say with confidence.

After listening to Yu Tianxiao's method, Lan Xing'er thought about it for a while, and then couldn't help but immediately whisper to Yu Tianxiao: "Okay! I'm going to grab it! Anyway, if you fail this time, you have two more chances. "The reason why Lan Xing'er said this is because the martial arts hall stipulates that every student has three chances to break into the promotion tower.

"Then act now!" Yu Tianxiao said quickly. The reason why he didn't use the clone to contain the giant while using the clone to grab the crystal flint was because his current strength was too weak, and the previous deity went all out to have that effect, let alone a clone?

Therefore, he must maintain his strongest combat power in order to be able to delay the giant for a while, so that Lan Xing'er can have a chance to take advantage of this time to grab the crystal flint, compared to one of his clones, or Lan Xing'er is stronger and more certain.

When the method of seizing the crystal flint was determined, I saw Yu Tianxiao in an uproar! Immediately cast more than a dozen doppelgangers, as soon as the doppelganger comes out, whoosh! Sou! Sou! Sou! Sou! Sou! In an instant, he slaughtered the fiery red giant in one go!

And at this time, Lan Xing'er, who was standing on the side, saw that Yu Tianxiao was already attacking with all his strength, and he also swished in an instant! Straight to the crystal flint.