| Ruler | Kingdom | Era |
|---|---|---|
| Mr. Heimdall | 10 | |
| Mr. Heimdall | ALA | 28 |
| Mr. Heimdall | Rogue Phoenix | 29 |
| Mr. Heimdall | Rogue Phoenix | 30 |
| Mr. Heimdall | Gondor | 30 |
| Mr. Heimdall | Rogue Phoenix | 30 |
| Mr. Heimdall | Frumentarii | 31 |
| Mr. Heimdall | Frumentarii | 32 |
| Mr. Heimdall | Frumentarii | 32 |
| Mr. Heimdall | Frumentarii | 32 |
| Mr. Heimdall | Frumentarii | 32 |
| Mr. Heimdall | 41 | |
| Mr. Heimdall | Winged Dusk | 44 |
| Mr. Heimdall | Winged Dusk | 45 |
| Mr. Heimdall | Gladiators | 45 |
| Mr. Heimdall | Gladiators | 46 |
| Mr. Heimdall | Gladiators | 46 |
| Mr. Heimdall | Gladiators | 47 |
| Mr. Heimdall | Zeon | 47 |
| Mr. Heimdall | Purgatory | 47 |
| Mr. Heimdall | Gladiators | 47 |
| Mr. Heimdall | Wizengamot | 47 |
| Mr. Heimdall | 47 | |
| Mr. Heimdall | 48 | |
| Mr. Heimdall | METAL | 48 |
| Mr. Heimdall | Gladiators | 48 |
| Mr. Heimdall | 48 | |
| Mr. Heimdall The Friendly | Neutrals | 48 |