CHAPTER 2463  MICROSCOPIC INSCRIPTIONS

Opening his palms, Lin Mu quickly let the feather get cooled down, letting its new color set in.

"It's not shiny anymore?" Ashy titled her head in sadness. "It'll fit better in your feathers and won't catch attention." Lin Mu replied. "Plus it's easier to add the formations now." He added.

The latter was the major reason for doing this, as raw Lustrous Edge Obsidian had a crystal structure that didn't allow for runes to be added properly. It was certainly possible to add them but the number of formations that could be added would be limited to small ones.

But once heated, the crystalline structure changed to another arrangement, which allowed for runes to be added without any clash. This did come with the disadvantage that the durability of the obsidian was reduced, but that didn't matter in the long term once formations for toughness were added. Besides, in the case of Ashy this was even less important as this was going to be a Spatial Storage tool and not a weapon.

And since the arrays of a Spatial Storage tool were complex and big, Lin Mu needed as much freedom as possible in making it.

~huu~

'Now for the second step…' Lin Mu took a deep breath as his immortal sense turned into microscopic tendrils that covered the Obsidian feather. He needed absolute control over it all and needed to know exactly what was happening within the structure of the feather. This was important since the method he was going to use was not the usual carving or inscription that was done on the surface.

Instead he was going to be adding the runes directly into the crystal structure!

This was one of the hardest methods of Tool refinement and took special skills and training to do this. Lin Mu had an advantage here since he could directly look inside the surface of the feather with his Spatial Perception and use his Immortal sense to guide him. But in addition to this, he had his Formation Dao Embryo which was going to be his main tool of doing all this.

"Rune Shaping Brush!" Lin Mu summoned his Formation Dao Embryo and held it firmly in his hand.

~SHUA~

He controlled its hairs to change a bit, as a tiny hair elongated from it. The hair was ethereal and microscopic, allowing him to have better control over his inscribing.

"Meld!" Lin Mu held the obsidian feather in the air by locking the space around it and then brought the brush closer. "Phase," next he used his ring's third Spatial skill allowing the brush hair to directly enter the feather!

Having done that, he kept his hand still, even going so far as to use meld on it to lock it.

The real inscribing was not going to be done by hand strokes, but rather by the singular brush hair that would be moved with his immortal sense!

That was the only way he could do precise inscriptions at a microscopic scale.

~SHUA~SHUA~SHUA~

With multiple spatial skills active, Lin Mu needed all of his focus, thus the next thing he did was to chant the Severing Heart Sutra, removing all distractions from his mind.

Finally, the singular brush hair started to move, and inscribed the very first rune in the crystalline structure of the feather.

'Huu~ First out of many to come.' Lin Mu thought to himself as he moved to the second rune.

Bit by bit, he continued, taking a pause after each rune to ensure that it was stable and would not affect the others. This caused the process to be very slow, as it took him at least a minute to finish a single rune, inspect it and then move on.

This meant that he could barely do sixty runes in an hour, which was very small when one considered the fact that a single formation usually had over a hundred runes. And that was only for the most simple formations. Têxt belongs to .

The complex ones such as those needed for a Spatial Storage Array were highly expansive and easily had over a hundred thousand runes at the minimum. And this was for Spatial Storage tools that had a small capacity.

If it were a big one, the number of runes would increase by several multiples.

At this pace, Lin Mu would barely be able to finish around one thousand five hundred runes, which might be enough for a couple of formations. If he were to consider the entire array it might even take him over a month to finish it.

But Lin Mu knew this was just the start.

And sure enough, about an hour later, his speed had improved and now he was doing one rune in forty five seconds.

He was only slow at the start as he needed to be careful, but once he had a grasp on it, he was improving and getting faster.

Xukong who was observing everything couldn't help but be impressed.

'He's utilizing all his Spatial Skills to make a tool that would normally be impossible for most.' Xukong thought to himself. 'Looks like observing Lin Mo's skills has inspired him quite a bit too.'

If there was even a single part of this missing, whether it be one of his skills, the Rune Shaping Brush Dao Embryo or even his impeccable control over his Immortal sense, making the array in this tiny feather would be impossible.

Other formation masters would simply inscribe on the surface and let the runes sink into the body of the material. This is how most of the other Spatial Storage tools were made with small gemstones. But Lin Mu couldn't' do that with the Lustrous Edge Obsidian as its structure wouldn't allow something like that.

And the surface area of the tiny feather was too small for normal surface inscriptions too, thus the normal method of adding formations layer by layer didn't work either.

But this difficulty had another side effective that was going to be perfect for Ashy.