Game ⇓ | Flavour Text ⇓ |
| Ruby/Sapphire | When two BELDUM fuse together, METANG is formed. The brains of the BELDUM are joined by a magnetic nervous system.This POKéMON turns its arms to the rear for traveling at high speed. |
| Emerald | The claws tipping its arms pack the destructive power to tear through thick iron sheets as if they were silk. It flies at over 60 miles per hour. |
| FireRed | It floats midair using magnetism. Its body is so tough, even a crash with a jet plane won’t leave a scratch. |
| Leaf Green | It floats midair using magnetism. Its body is so tough, even a crash with a jet plane won’t leave a scratch. |
| |
| Diamond/Pearl | It is formed by two BELDUM joining together. Its steel body won’t be scratched if it collides with a jet. |
| Platinum | It is formed by two BELDUM joining together. Its steel body won’t be scratched if it collides with a jet. |
| Heart Gold | When two BELDUM fuse together, a magnetic nervous system places their brains in union. |
| Soul Silver | When two BELDUM fuse together, a magnetic nervous system places their brains in union. |
| Black | It is formed by two Beldum joining together. Its steel body won't be scratched if it collides with a jet. |
| White | It is formed by two Beldum joining together. Its steel body won't be scratched if it collides with a jet. |