You can catch them in their caverns.Each lake has it's own cavern,and after you free Uxie,Mesprit and Azelf you will find them in there caverns at each lake. but only after you've got Dialga/Palkia.
You can find Uxie at Lake Acuity in Snowpoint city and Azelf in Lake Verity by Pastoria and Sunnyshore City. Mespirit is somewhat different. The Last lake, is where you will find Mespirit but once you contact with it it runs. then it is released in the area of Sinnoh. Then you can use the App Marking Map and the thing that looks like a pikachu head is the Pokemon or another rare type Pokemon about in Sinnoh. Good Luck catching because your best bet to cath either one is to have a Pokemon with a move that won;t let your opponent run away. Otherwise, Mespirit will run like heck over and over and over and over. Good Luck. That's why i traded mine. I hope this helped some!!!
Chat with our AI personalities
You can't, you will need to trade them from Pokemon Diamond, Pearl or Platinum.
You will need to catch the three lake lengendary pokemon. (Mesprit, Uxie, Azelf).
you can go back and catch: -azelf -Uxie -Mesprit and also a SECOND -Palkia and a SECOND -Dialga
Darkrai has the catch rate of maybe the lake pokemon( Azelf, Uxie, and Mesprit) seperate.
A Pokemon's catch rate can range from 3 (hardest to catch) to 255 (easiest to catch). Hardest to catch (catch rate = 3): - Uxie - Mesprit - Azelf - Heatran - Regigigas - Giratina - Cresselia - Manaphy - Darkrai - Arceus Easier to catch (catch rate = 30): - Dialga (& Palkia) Easiest Sinnoh legendary to catch (catch rate = 45): - Shaymin