| Type | steel |
| Category | Status |
| Power | 0 |
| Accuracy | — |
| PP | 15 |
| Introduced | Generation 3 |
Iron Defense raises the user's Defense by two stages.
Stats can be raised to a maximum of +6 stages each.
When a Pokémon is holding Steelium Z and uses its Z-Power, Iron Defense turns into Z-Iron Defense and eliminates any stat drops applied to the user, in addition to its usual effect as above.
| Ruby Sapphire Emerald | Hardens the body’s surface to sharply raise DEFENSE. |
| FireRed LeafGreen | The user hardens its body’s surface to sharply raise its DEFENSE stat. |
| Diamond Pearl Platinum HeartGold SoulSilver | The user hardens its body’s surface like iron, sharply raising its Defense stat. |
| Black White Black 2 White 2 | The user hardens its body’s surface like iron, sharply raising its Defense stat. |
| X Y O.Ruby A.Sapphire | The user hardens its body’s surface like iron, sharply raising its Defense stat. |
| Sun Moon Ultra Sun Ultra Moon | The user hardens its body’s surface like iron, sharply raising its Defense stat. |
| Sword Shield B.Diamond S.Pearl | The user hardens its body’s surface like iron, sharply raising its Defense stat. |
| English | Iron Defense |
|---|---|
| Spanish | Defensa Férrea |
| Italian | Ferroscudo |
| Japanese | てっぺき (Teppeki) |
| German | Eisenabwehr |
| French | Mur de Fer |