reshiram does not evolve
at lvl 30
A Magikarp should evolve at about lvl 40 on Pokemon diamond
Lvl 15 ,, it will evolve to flaffy,, lvl 30 it will become ampharos
Evolve starly at lvl 14.
get to lvl 40
Unfortunately, Reshiram is a legendary Pokemon, therefore it does not evolve.
a Pokemon that has to be traded to evolve can be any lvl you want it to be you get it the Pokemon the same lvl that your Pokemon was it does not grow a lvl when it is traded
lvl 36
lvl 20
It evolves at lvl 45.
lvl.18 or lvl.16
Unfortunately, Reshiram cannot evolve like legendaries in all generations of games e.g. Zapdos or Mewtwo never evolve. Although odd hacks could be produced, officially there are no evolutions for Reshiram. Pokemon Wiki Answers Team
at lvl 30
idalia
lvl. 30
you cannot catch reshiram in pokemon white only zekrom. but at the moment you can get a free lvl 100 reshiram in pokemon white through wifi. Hope this helped
you have to evolve him or get a legendary pokemon but its not zekrom,reshiram or thundurus and the others