The roar wasn't just any sound—it was vibration, force, a living thing that clawed through the air and rippled through my bones. It was deeper than thunder, sharper than a lion’s snarl, and yet it carried something human in its torment. 

The walls trembled, dust falling from the ceiling, and my bones shook, my heart clenching like my heart was trying to escape. 

The steel doors groaned as they finished pulling apart, and what I saw on the other side made my blood run cold. It ...