Chapter486-Destroying the Stronghold

When the circle was completed, so too seemed Nula's incantation, yet she still clutched a small pinch of silver powder in her palm.

What was the purpose of this remaining silver dust? Howard looked on curiously, pondering.

Magi are known for their precise control over materials, and Nula should be no exception.

Taking something out and not using it entirely—what was the reason behind that?

Then, as a mist of mana rose, Howard watched as Nula calmly pocketed the silver dust... and even rubbed her fingers together over her pouch! 

Weren't they supposed to have mastery down to the last detail? Howard was momentarily baffled.

"Is that it? What about the silver dust? Just pocketing it like that?"

"Of course, I pocket it when it's used up. This stuff is expensive, you know!"