Chapter 38, Major Supplement_1

The Courage Potion isn't a foolish potion. It can make one bloodthirsty and eager for battle, yet the user still retains their instinct.

Given the terror of the skeletons, who can't distinguish between friend and foe, everyone barely had time to hide, let alone approach them willingly.

Knowing this, the grey-robed elder was still unwilling to give in. If they didn't seize this opportunity to charge into the camp, their mission would be a failure yet again.

Abandoning the need to maintain an aloof image, the grey-robed elder himself appeared at the back of the team, sternly ordering the Rebel Army to keep up with the pace of the skeleton monsters.

...

"Pour the oil on them, burn these skeleton pieces!"

As soon as his words landed, a shower of oil directly engulfed five skeleton monsters, immediately transforming them into five moving flaming skeletons.