to level up your Pokemon walk through grass. eventually you will get attacked. fight and win. you will get exp. when a Pokemon gets enough exp, it will level up. for more info, press L or R on your DS/ game boy.
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because Pokemon chaos black is a fake Pokemon game packed with errors
First you have to level Bilqu up to 100 and it will learn Surf.
cheat
Pokemon evolve when you level them up to a certain level, by trading them, by friendship, or by using stones.
you level it up 50
take a weak pokemon to the elite four
yes Pokemon chaos black YES THERE IS GOING TO BE A COUPLE OF GAMES BUT WHO EVER GAVE CHAOS BLACK AS AN ANSWER IS WRONG NOTHING AGAINST HIM BUT CHAOS BLACK IS A HACKED GAME MEANING SOMEONE MESSED IT UP AND SOLD IT ON EBAY ANY WAY THE NEW GAMES ARE POKEMON OPAL POSSIBLY DS VERSIONS OF GOLD SILVER CRYSTAL AND POSSIBLY A NEW POKEMON RANGER HOPE I HELPED
You can only level it up by, high friendship
Get a female Combee and level it up to level 21.
You'll need to level it up to level 30.
To evolve Mantyke in pokemon black/white 2 you have to level it up with a remoraid in your party then it will evolve into mantine