You feed it poffins until it's beauty is maxed out and level it up.
you need a water stone dur.
you cant after that many pokeblocks level him up and that will evole him D i have the game
Milotic evolves from Feebas.
it needs to have its beauty level high enough
Feebas is located on route 119 in the river
feebas can be caught in any waters of route 199.
sex with milotic
with a pokeball
Feebas is in the area south from fortree city you must use a rod to catch it.
trade it from ruby or sapphire
Feebas needs to have Maxed Beauty. Feed it some berries that will raise its Beauty stat.
You can capture Feebas on Route 119 in Pokemon Ruby, this is dependant on the phrase in Dewford (that changes it's location) and is luck to find the correct tile that Feebas appears on when fishing.
Route 119 (any rod)