Raven's POV

When the bell rang for the shift of guards, we were all in position.

I lifted two fingers.

The decoy unit peeled off immediately, moving north without a word. One of them gave me a look as he passed by.

“Fifteen minutes,” he murmured. "We'll be done in fifteen minutes."

“Make it count." I replied, and then they were gone.

I turned the other way and started to move towards the tunnel, as the tunnel team fell in behind me. Twelve of us.

We slipped through the east-side entrance one by one. The stone door that led into the tunnel was already cracked open from earlier, hidden behind...