The thirteen heroes are a group of 13 Hero-ranked warriors possessing supreme strength that existed only to save the  World from Dead-UL in their crusade to revive the Ruin King. Each of them possess a 《Mark of Mastery》for their prospective disciple. Theses Marks can be passed on their abilities to others through the act of Secession. The 13 heroes are the following:

1. Radiant Hero [Light] - Integra

2. Shadow Hero [Darkness] - Severus

3. Technique Hero - Merteuil de Lac

4. Blade Hero - Sola-Ui

5. Artillery Hero - Badigadi Giger

6. North Gate Hero [Obsidian Tortoise, Genbu] - Kaunis Freean Asura

7. South Gate Hero [Vermillion Bird, Suzaku] - Alek Kalman III

8. Eastern Gate Hero [Azure Dragon, Seiryu] - Urupen

9. Western Gate Hero [White Tiger, Byakko] - Nanahoshi

10. Blaze Hero [Fire]- Cherufe Fenix

11. Marine Hero [Water] - Isolte Cruel

12. Vale Hero [Earth] - Ars Talhand

13. Sky Hero [Air] - Perugius Saladin

Altered by those in power from history,  there was actually 14 heroes.

14. Life Hero - Fate Maximón