Heavy Metal is a Dream World-exclusive ability. Pokémon with this ability have their weight doubled. This counts for moves such as Grass Knot, Low Kick, Heavy Slam and the like.
Pokémon
Hidden
| Pokédex | Pokémon | Sprite | type |
|---|---|---|---|
| #304 | Aron | 
|
 
|
| #305 | Lairon | 
|
|
| #306 | Aggron | 
|
|
| #436 | Bronzor | 
|
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| #437 | Bronzong | 
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