level 20.
A Magikarp should evolve at about lvl 40 on Pokemon diamond
Magikarp evolve at level 20.
Level 20
Magikarp evolves into Gyrodos at level 20 and if you want to evolve it with out putting it in battle because it's worthless use the EXP.share
The weakest Pokemon in diamond is a magikarp. It is also the weakest of all the Pokemon existed. Magikarp is weak but it will evolve to a mighty gyarados.
Magikarp will evolve into Gyarados.
Magikarp evolve at level 20.
Magikarp can evolve into Gyarados, starting at level 20.
A Magikarp can evolve into a red Gyarados. The Magikarp needs to be a shiny Magikarp in order for it to evolve into a red Gyarados. This is due to the red Gyarados simply being a shiny Gyarados.
it evolves intogarados at level 20 at least i think it evolves at level 20
Magikarp is a fairly weak Pokemon that evolves into the very powerful Gyarados. In Pokemon Sapphire, it evolves at around level 20.
Get the Exp. Share and let your Magikarp hold it. When you battle, use a strong Pokemon and Magikarp will get some Exp. That's how I got my Magikarp to Evolve.