Alex Blackwell wakes up in a cage alongside ten other people, only to learn he has been brought here by a Colosseum ruled by a god. With a countdown ticking to a fight where he does not know who his enemy is – will Alex survive or perish? In the first book, Alex learns to use lethal weapons, take on strange creatures, and go through ten battles that could kill him or bring unexpected rewards.

Alex's life used to feel dull and monotonous, but now, amidst the chaos, his sharp mind sparks with excitement. He makes new friends, discovers unique powers, and earns fantastic rewards. Alex might realize that this world of destruction suits him better than Earth ever did – he just needs to stay alive to find out.