| English | eng-000 |
| iron will | |
| Deutsch | deu-000 | Eisen und Stein |
| Deutsch | deu-000 | Eisenkern |
| Deutsch | deu-000 | eiserner Wille |
| English | eng-000 | indomitable will |
| English | eng-000 | inflexible will |
| English | eng-000 | iron and stone |
| English | eng-000 | iron core |
| English | eng-000 | strong will |
| italiano | ita-000 | volontà di ferro |
| 日本語 | jpn-000 | 鉄心 |
| 日本語 | jpn-000 | 鉄石 |
| 日本語 | jpn-000 | 鉄石心 |
| русский | rus-000 | железная воля |
| русский | rus-000 | железный сердечник |