After entering the inside, there are steps down, Yan Duan held a torch, down the steps, walked 32 steps to the end, looked around, only to find that this is a large hall, the inside is extremely spacious.

16 large columns, divided into two rows, in the middle of the tripod, in the middle of every four pillars placed a huge large brazier. Yan Duan walked and lit four large braziers, and the hall suddenly lit up.

On one side of the main hall, there are two steps leading to a platform, on which are placed three huge seats, one for the front and two for the side. There are also some hanging ornaments on both sides of the main chair, but not on the seats on either side. Next to the main chair, there was a Lan Qi who was putting his weapon aside, and there was a knife in the middle of Lan Qi.

Yan Duan came to Lan Qi on the platform from the stairs, and slowly pulled out the knife from Lan Qi, the knife was very heavy, and Yan Duan barely held it. Looking at the blade of the knife, the whole body was shiny, and a huge evil aura emanated from the blade. It seems that the owner who once owned this knife was a domineering figure who fought in all directions and was peerless.

There are three words engraved on the blade, "Bird Feather Knife". Bird Feather is the national beast of the Dayi Dynasty, Yan Duan still knows a little about Bird Feather, is this knife related to Bird Feather Divine Beast. The scabbard is made of steel, and it is extraordinary. Yan Duan knows that the preciousness of steel, his dagger is made of steel, and it is extremely precious. I didn't expect to encounter such a precious steel scabbard here, which shows how much the owner of this knife cherished this knife at that time.

The knife was sheathed, a long strip was torn from the garment, it was tied to the back, and the main hall was left.

Returning from the original road, when he reached the fork in the road, Yan Duan hesitated, but chose another path and continued to walk. It was about half a day, and I arrived at the door of what looked like several rooms. Pushing open the door of one of the rooms, Yan Duan still threw in a few stones, and only after a long time that there was no movement did Yan Duan enter.

The room was very empty, it was a stone room, so he exited and entered the other rooms, all of which were empty. When entering the last stone chamber, it is found that there is a stone table in the stone chamber, and there are three stone benches.

On the stone table was a roll of bark-like things, as well as several bottles and jars. Yan Duan approached, picked up something like tree bark, and touched it with his hand, it turned out to be a piece of sheep cloth, this kind of thing does not rot for ten thousand years. When I opened it, it was written "Bird Feather Knife Sutra", which was completely the practice of the knife behind it. Looking down, I actually wrote every move and style of eight steps and thirteen swords, and there were even move pictures after each sentence.

So Yan Duan sat down on the stone bench in the stone room and watched the Bird Feather Knife Sutra little by little.

Eight steps and thirteen knives, communicating with the realm of internal force. It contains eight kinds of footwork, thirteen knife points, thirty-six dismantling to, fifty-eight potentials, a total of eight sections.

The opening step is dragged to the middle of the field, the backhand is drawn for the start, and the seven stars are handed in.

Thirteen knife points: split, collapse, teasing, sweeping, rubbing, wiping, pulling, hanging, pointing, cutting, ringing, pressing, stabbing

The fifty-eight potentials are:

The first ten potentials: the sun circles the mountain and pierces the sun, the floating clouds rise and fall and the right stabs, the step splitting knife, the tiger climbs the mountain, the cone under the rib takes the soul, the seven-star method is connected to the left, the white tiger washes his face and pulls back, the reluctant step presses the knife and turns to split, the thunder and the dark hair hangs back, and the two splitting knives on the shoulders of the wheel;

11 to 20 potentials: star picking knife method, horizontal knife posture, after bayonet, wind and snow, after pressing knife style, dragon digging heart, Jiaolong turning over and chain splitting, yellow dragon digging heart stabbing, white tiger into the hole left and right hanging, back to split and turn around;

Twenty-one to thirty potentials: the rooster goes up the ridge twice, the axe splits the mountain gate and the right hand splits, the rolling hand picks the yin, the back knife style, the cross is covered with red, the reverse splitting knife, the left knee is raised by the fire and the sky, the double pull flower arrangement is turned left and right, the closed door iron fan is divided into front and back, first presses and then jumps before the stab;

Thirty-one to forty potentials: jumping back and stabbing before the splitting knife; turning and stabbing with the bead archery; stabbing back to the momentum; squatting and squatting on the side of the horse whipping whip; closing the door with a stick of incense and raising the knife; stepping and flirting the knife and sweeping the leaves; seven-star style rear horizontal collapse knife; green dragon out of the water and stabbing horizontally; lion shaking his head and beheading the enemy; oolong swinging his tail at the waist; collapsing like a snake collapsing to the ground;

Forty-one to fifty potentials: white horse shears hooves and stabs; visits friends with the piano and inserts them back; dragon girl holds beads and walks high; dragonfly points to the right knee lift; yellow dragon rolls out and counter-pressure knife; stretches out his arms and stabs the chicken on the ridge; obliquely raises the sheath and turns to hang; after the circle knife method, he takes a belt to tease; he returns the knife method; he holds the knife;

The last eight potentials: after lifting the knife, back the knife, the cross is covered in red, the sea is explored, the moon is stabbed after the moon is reversed, the eagle turns the belly and lunges, and the knife is torn off.

After practicing the ten potentials, you can enter the grandmaster, after the thirty potentials, enter the immortal path, and after the forty potentials, dominate the immortal world, get all fifty-eight potentials, and enter the divine path.

After reading the Bird Feather Knife Sutra, Yan Duan's heart couldn't calm down for a long time, it turned out that there were really immortals in the world. It seems that the value of this sutra is far above his own estimates, and once this sutra is circulated in the world, I don't know what kind of waves it will set off.

Then he looked at the bottles and cans on the stone table, there were some pills in them, but he didn't know about it, so he put them away first, and then went back to ask his uncle and Mr. Fan.

After putting away the pill, he looked at the Bird Feather Knife Sutra again, looked at it, and unconsciously untied the Bird Feather Knife tied behind his back, and began to practice with the pictures on the scriptures.