The monster inside

In another world entirely, the people of Helios fight for their survival. For a millennia they have battled, fought, and died, against the monsters of their planet. But now it is a time of piece. There has been a giant circular wall erected around the last known human cities.
there are only three left. The city of Roses, The city of the Night, and the city of Hope. Each live in harmony and peace, keeping the monsters at bay. But their peace cant last forever, even with a six inch thick reinforced steel wall protecting you.

Felix is a citizen of the city of Roses, and is a promising young cadet, who is in command of his own team. But during their final initiation, Felix and his friend Raven are attacked at tortured by a gang of monsters. But after the encounter, they begin to change, they are no longer just themselves anymore. But for whether they will change for better or worse is up to them entirely.