He's my subordinate

"Oh, it's already finished?" Third Head opened her eyes. She looked around and found Franklin dragging Amune. She couldn't help but mutter, "That's it! Amune is a weakling. The elemental properties in the atmosphere are too low. It means that he didn't use [Element Drive] or maybe he hasn't learned it at all."

"Let's follow the old man." Ninth Head said before she walked.

Third Head sighed before she stood up and patted the dust on her clothes. Then, she followed Ninth Head.

She couldn't help but turn her head as she tried to sense any mana fluctuations in the atmosphere. The fluctuations were few so it means that most of the battles were finished.

It's only a matter of time before First Head subdued all the attackers.

...

Souta placed his hand in his pocket and took out a bottle with blue liquid. It was a mana potion.