67 57. Ice and Fire Dragon Head (5K Big Chapter)_2

Corporal Mars stood by, watching Lieutenant Grett drink the potion with envy.

"The Mutant Potion will take effect in 5 minutes, and you'll be unconscious for about half an hour. I'll take advantage of these five minutes to tell you about the Emperor's secret plan and answer your doubts. First of all, your original promotion plan is cancelled; you won't be transferred to Intelligence Department 6. Instead, you will be..."

Just as Captain Murphy was about to explain Grett's new role, a very faint sound emerged from a corner of the Third Underground Level.

"Szzz... szzz..."

The sound was like an electric current surging, or rodents gnawing on something hard.

Captain Murphy gave a "silence" gesture to the others.

Grett and Mars closed their mouths and held their breaths.

Looking in the direction of the sound, Captain Murphy stretched out her left arm and used the Frost Dragon's head to retrieve a small object from the darkness.