| Type | poison |
| Category | Status |
| Power | 0 |
| Accuracy | — |
| PP | 20 |
| Introduced | Generation 1 |
Acid Armor raises the user's Defense by two stages.
Stats can be raised to a maximum of +6 stages each.
When a Pokémon is holding Poisonium Z and uses its Z-Power, Acid Armor turns into Z-Acid Armor and eliminates any stat drops applied to the user, in addition to its usual effect as above.
| Gold Silver Crystal | Sharply raises the user’s DEFENSE. |
| Ruby Sapphire Emerald | Liquifies the user’s body to sharply raise DEFENSE. |
| FireRed LeafGreen | The user alters its cells to liquefy itself and sharply raise DEFENSE. |
| Diamond Pearl Platinum HeartGold SoulSilver | The user alters its cellular structure to liquefy itself, sharply raising its Defense stat. |
| Black White Black 2 White 2 | The user alters its cellular structure to liquefy itself, sharply raising its Defense stat. |
| X Y O.Ruby A.Sapphire | The user alters its cellular structure to liquefy itself, sharply raising its Defense stat. |
| Sun Moon Ultra Sun Ultra Moon L.G. Pikachu L.G. Eevee | The user alters its cellular structure to liquefy itself, sharply raising its Defense stat. |
| Sword Shield B.Diamond S.Pearl | The user alters its cellular structure to liquefy itself, sharply raising its Defense stat. |
| English | Acid Armor |
|---|---|
| Spanish | Armadura Ácida |
| Italian | Scudo Acido |
| Japanese | とける (Tokeru) |
| German | Säurepanzer |
| French | Acidarmure |