Leo Rivers: The protagonist, a low-ranking Reclaimer with an unusual ability to grow stronger with each battle. He's resourceful and tenacious, though he starts off relatively weak.

Sofia Blake: A high-ranking Reclaimer who becomes Leo's mentor and later, a trusted ally. She's known for her combat prowess and strategic thinking.

Owen Carter: A tech genius and Leo's best friend. He provides support from the outside, hacking systems, and analyzing data to assist Leo.

Evelyn Torres: A fellow Reclaimer with healing powers. She becomes a key member of Leo's team and has a strong sense of justice.

Drake Stoker: A powerful Reclaimer who holds secrets about the portals and the true history of their world. He becomes a recurring antagonist.