Rune Armament!    

It was a kind of unfathomable aeth treasure that only a rune grandmaster who had mastered spirit gathering was able to fathom. 

Of course, that was only the qualification to study it. It would be even more difficult to make one!

Shen Tuo was an experienced rune grandmaster with a spirit-gather ability, but he had never made a rune armament in his life! 

He knew about the difficulty in making a rune armament better than many people in the world. 

First of all, it required several rare rune materials, which would cost at least fifty million gold coins.

That alone was an obstacle to many rune grandmasters.  

After all, fifty million gold coins were enough to purchase a large battleship! It was an astronomical amount.

Secondly, the making of a rune armament involved many ancient, obscure rune patterns and arrays, and the slightest error could cause a catastrophic change and failure in the rune armament!

Shen Tuo had previously spent several years making a rune armament along with several rune grandmasters...