Ummm... You must mean legendary dogs (because there are no legendary cats...) And you find them while randomly walking in the grass in any area. (Not in a cave, water, long grass or building.)
Good hunting!
You can also find them in Fire Red and Leaf Green. But you can only obtain one without cheating. The one you get is based on the weakness of your starter. Ex. If you started with Totodile or Squirtle, you would find Raiku randomly in the wild.
Edit-ness: ^They actually are cats, but they are just referred to as legendary dogs for some reason. Suicune is like a cheetah, I think, Entei a lion, and Raikou a sabertooth.
Anyway, I remember looking for them all the time in Crystal, I realized it worked out better when I didn't try to find them, [though it would suck to have a low level Pokemon out and encounter one]
Considering they are all level 40 in the wild, make sure you have someone that level-ish that can attack first. They move every time you enter a new location, and I think flying makes them jump farther away from one point to another.
Just catch them,you dummy!
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arceus is i said party not single pokemon.
the 486 legendary is yo mama @#$%@
there is daperan which you can get by going in this cave i found once
You people are all cheaters
What are you trying to ask?
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yes,my friend has one.
Just catch them,you dummy!
They are not found in the wild in Pokemon Platinum.
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NO you need action replay
first you have to battle with every pokemon like i did! it took me a long time but i did it on platinum i also have all legendary pokemon
you cant. You can only do that on platinum):
try to catch your legendary. It varies on which legendary depending on what starter you chose.
arceus is i said party not single pokemon.