you catch him with a master
You catch Cobalion with any Pokeball that is possible to catch it in.
any kind, i used a pokeball
you cant you need to use some kind of pokeball
Darkrai can be caught in any kind of Poke Ball, but Ultra Ball has 4x the catch rate by itself, which is pretty high.
If you already have a turtwig then all you have to do is catch a wild chimchar. Get a poke ball (or any other kind of poke ball) and fight till its health is low then catch it.
I captured mine with a poke ball use a weavile false swipe then use gengar hypnosics
you catch it with a poke ball
master ball
with a poke ball
use a poke ball
by throwing it
To catch a pokemon, you require a Poke ball, which you can buy from a poke mart.