Patrat evolves at level 20.
At level 20 Patrat will evolve into Watchog
Patrat will evolve into Watchog when it reaches level 20
leval 21
Patrat evolves into Watchog at level 20.
Patrat evolves at level 20 into a Watchog
Patrat evolves at level 20.
He evolves into watchhog.
you leval him up. you leval him up
Watchog
20.
It evolves at level 20.
It evolves at level 20 into Watchog.