The Walk of Shame.

Felix's thought process was cut off shortly after picking up many vibrational waves from above.

'Looks like reinforcement has arrived.' Felix glanced at the dark gemstone for a moment and left it in its place, not daring to steal evidence.

Since he was on the case, he had access to them anyway, so there was no need to take one.

Soon, the captains and their squads entered the dungeon and began surveying the hall with solemn looks.

Felix and Ravager dropped whatever they were doing and went forward...They saluted the captains respectfully and Felix allowed Ravager to update them.

"We have freed all the spirits from the dungeon, the only thing remaining are those machines and the peculiar gemstones in them."

"Great work." Captain Frederick gave them a pleased look and ordered. "We will take it from here, you should rejoin with your captain in the station."

"Understood."