```html
Chu Zhiyuan returned to the post station and closely examined the wooden sword.
With a comparison at hand, the preciousness of the wooden sword became more apparent.
Unfortunately, there wasn't much to observe about the wooden sword; it was merely made of a peculiar material with special effects.
Aside from that, there were no secrets to speak of.
It's unknown what type of wood this is.
Whether this wood originated from this world or from places like the Four Great Grottos and Four Great Secret Lands is uncertain.
After observing the wooden sword for a while, he began to study the array maps.
He compared thirteen sets of formation diagrams to choose the most suitable for Liang Guanjie and the others.
In total, there were twenty Innate Masters, plus four by Guo Chi, making a total of twenty-four people. A formation for twenty-four people, involving four grandmasters and twenty innate masters.
How could their strength be maximized?
