Moltres: Mt Blaze 30% Go alone with no items
Zapdos: Mt thunder 30% same as Moltres
Arnicuno: Frosty Grotto 30% Same as zapdos
Groudon: Magma cavern -10% After Beating Raquaza
Raquaza: Sky tower -10% After beating him a 1st time
Kyorge: Stormy Sea 50% Recruitable the first time (i think)
Entei: Firey feild 0.1% Not recruitable 1st try
Rikou: Lightning field 0.1% same as entei
Suicune: Northwind Field 0.1% same as rikou
Ho-oh: Mt Faraway 99.9% not recruitable 1st try
Lugia: Silver trench 99.9% recruitable 1st try
Deoxys: Meteor Cave -10% not recruitable 1st try
Regirock: Buried relic 15F 0.1% not recruitable 1st try
Regice: Buried relic 25F 0.1% same as regirock
Registeel: Buried relic 35f 0.1% same as regice
Mew: Buried relic 36-99f -10% recruitable 1st try
Mewtwo: Western cave 99.9% not recruitable 1st try
Jirachi: wish cave 99.9% recruitable 1st try
Celebi: Purtiry forest Automatically joins after completion of the dungeon
Latias/Latios after Beating latios and saving latias


Let me know if i missed any......=)