"What?" Derek gaped at the headless bodies in disbelief.

He had witnessed how strong Charles' death warriors were and how they annihilated his men in less than two minutes.

Yet, those beasts had been defeated with a single strike.

That was impossible!

"H—how is that possible?" Charles' eyes widened incredulously.

Those had been insanely powerful fighters that his family spent a lot of time and effort training.

They were invincible when they fought together. Unless someone were a Grandm