Kingdom Quest features over 90 different heroes and provides hours of play. Each hero has their own set of skills and gameplay style. They can be improved by upgrading them with evolution, awakening, and enhancing skills.
The characters of Kingdom Quest are categorized into different tiers below.
The best characters in tier SS are Magnus and Marta while Kyle and Crocodilia are the most prominent characters in tier S. Tirion and Veronica rank in the A tier while the best characters in tier B are Stormaxe and Arthur. Some characters in tier C are Loupgarou and Hass.
SS Tier
| Characters | Tier |
| Magnus | SS |
| Marta | SS |
| Vargas | SS |
| Leonard | SS |
S Tier
| Characters | Tier |
| Kyle | S |
| Crocodilia | S |
| Julie | S |
| Lass | S |
| Rosar | S |
| Volcano | S |
| Ironfist | S |
| Anubis | S |
A Tier
| Characters | Tier |
| Tirion | A |
| Veronica | A |
| Zed | A |
| Stone | A |
| Cecilia | A |
| Asuka | A |
| Olive | A |
| Murka | A |
| Loras | A |
| Quaker | A |
| Lazaro | A |
| Xiao | A |
| Jenna | A |
| Feros | A |
B Tier
| Characters | Tier |
| Stormaxe | B |
| Arthur | B |
| Uva | B |
| Jerome | B |
| Sarah | B |
| Fei | B |
| Irina | B |
| Magath | B |
| Samper | B |
C Tier
| Characters | Tier |
| Loupgarou | C |
| Hass | C |
| Horn | C |
| Zika | C |
| Mook | C |
| Odin | C |
| Kar | C |
| Tobi | C |