it is a happiness pokemon, so you need to make it really happy. give it an item and walk and battle with it....
hope dat helps....
Marill is the evolved form of Azurill. Marill can evolve into azumarill. HOW TO EVOLVE MARILLUTIONS: make azurill happy, MARILL! Lv. 28 (i think)marill.. AZUMARILL!! ^^^^^^^^^^ made that up!
Azumarril
Marill evolves into Azumarill at level 18.
Azurill > Happiness > Marill > lvl 18 > Azumarill
Marill evolves into Azumarill at Lv 18.
Level 25!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
Marill evolves into Azumarill at level 18.
Marill evolves into azumarill at level 18
Marill evolves at level 18
Level 18
you evolve a marill into azumarill
Evolve Marill @ level 18.