Swadloon Evolves by Happiness
sewaddle evolve when you level them up to lv 20 they evolve into swadloon
with happiness at 220
swadloon evolves into leavanny when you level it up with high friendship
Sewaddle evolves into Swadloon, which evolves into Leavanny.
happens when is it happy
Level 20 it evolves to Swadloon
Sewaddle evolves at level 20 into Swadloon. Swadloon evolves into Leavanny with happiness
Sewaddle becomes level 20 -----> Swadloon gets a level up while holding a Soothe Bell -----> Leavanny is final form
it evoves when it becomes a level 32
Sewaddle evolves at level 20 into Swadloon.
Level 20 it evolves into Swadloon Then When It Is Super Happy It Evolves into Leavanny
well there is no Pokemon called swadle, but i assume you mean sEwaDDle, it evolves into swadloon at level 20, and then leavanny through happiness