There are thirty different heroes to take advantage of in Heroes of Order & Chaos, however you'll only get three of them with the initial free download. There are four character archetypes to be aware of. Having a balanced mix of these in your team is critical to success.
Fighter - Deals large amounts of physical damage to the enemy.
Mage - Deals large amounts of magical damage to the enemy.
Support - Protects teammates by adding buffs and auras, and can control the enemy.
Guardian - Takes the most damage and covers teammates.