Use your master ball.
You can't catch Azelf in Pokemon Heart Gold. Sorry! But you can catch it in Diamond, Pearl or Platinum. Hope this helps!
you have to go to lake verity cavern and catch it.
Darkrai has the catch rate of maybe the lake pokemon( Azelf, Uxie, and Mesprit) seperate.
They will run away, and you have to find them in the wild and capture them.
You can't, you will need to trade them from Pokemon Diamond, Pearl or Platinum.
they are awesome LEGENDARY pokemon....if u dont think so u dont need to catch them
yes, but it takes a while, and use the poketech app that allows you to track Pokemon
In Pokemon Platinum Version, what type of pokeball do you use to catch Azelf Uxie and Mesprit?Use dusk balls and timerballs later on, use a pokeball if u want, for mesprit it's a quick ball.
In platinum you can catch Giritina, Palkia , Dialga, Heatran, Moltres, Arcticuno, Zapdos, Cressilia, Uxie, Mesprit, Azelf, and Regigigas. With the action replay you can also get Shaymin, Darkrai, and Arceus.
In platinum it would be better not to kill mesprit uxie and azelf, it would be better to catch them.
In Pokemon platinum there are three lake Pokemon they are:mesprit, azelf and uxie. 1.Mesprit is a travelling Pokemon so you have to find it and use mean look on it to keep it in battle or else it runs away. 2.uxie you just have to catch like any other ordinary Pokemon but you have to surf across the lake to get to it. 3.Azelf is the same as uxie, you catch it normally.
azelf is at route 23