Goblins?

…

In the next three days, loud clangs were audible in the fairly deeper region of the forest as if someone was fighting, though Theo was merely practising his new skill.

…

“Again!

Didn’t I tell you, use the momentum caused by the swinging motion of the swords to increase damage, otherwise it’d be a weak attack!”

The voice of Lumiere yelled at him from the arm pad.

“I’m trying!

It’s a little too heavy for me to master!” Theo complained, which was fairly valid as the swords were pretty heavy, and there were two!

“Pour in more Mana in them, let it flow in them.

Kid, only when you feel them as your own body parts, then you’ll be able to master them.

Now let’s do it again before we call it a day.”

Lumiere was finally being a strict teacher, something that Theo wanted him always to be. Although the training was a bit rough on him, it was a necessary step as going in blindly relying on a newly acquired skill was a rather open invitation to death.