There are four classes that are playable in Heroes of Ruin;
- The Savage - Relies on brute force to get it out of trouble. He was exiled from his tribe and takes on the mission to help the king of Nexus in order to gain power and glory
- The Alchitect - Is a student from a far off academy, who aims to be one of the most powerful and feared spell casters in the world.
- The Vindicator - His main artillery is his sword. He aims to seek justice and takes on the mission to save the King of Nexus in order to redeem himself after his fall from grace from his order.
- The Gunslinger - Is driven by a massive monetary debt he needs to pay off. The Gunslinger is an evasive fighter and uses pistols and bombs.