Saintess Summons Skeletons - Chapter 564: Warmup

... rt silence, a clear ‘ding’ echoed as if someone had flicked a bell, and a series of numbers appeared.

0.1

That must be the mana cost…

“Is it not working?” she asked, not feeling any change.

“No it probably is,” Everelle answered. “Hydrogen is an invisible gas. Can’t even smell it. It’s very explosive, though.”

Velania just nodded at the knowledge she already had. “It’s working perfectly! Any other questions before I go? You have a minute.”

“I have ...