In the blink of an eye, a month had passed.
With dandan's participation, the research on the stable attachment of blue Firestone to divine weapons was greatly accelerated. It was estimated to take a few months, but soon there was news that it would be completed in a few days at most.
There were two main difficulties in attaching the blue Firestone to a divine weapon.
One was stability.
For example, he could simply grind the blue Firestone into powder or melt it into liquid and smear it on the divine weapon. These were very unstable. When fighting with the yin-terminating corpse, the blue Firestone smeared on the divine weapon would also be scratched off when he cut the yin-terminating corpse.
In that case, it would be useless after a few moves.
The first thing he had to do was to use a rune formation to attach the blue Firestone firmly to the divine weapon so that it would not be easily scratched off.
This was the first difficulty.