I don't think you can!
The sky stairway
no, u can only recruit it.
Crystal Cave or Crystal Crossing
they ask you if they can be on the tam
It may take several attempts to recruit legendary Pokemon in Explorers of Sky.
mission recruit or egg
Miracle Sea and Surrounding Sea
you cant recruit him. there are only 492 Pokemon recruitible in the game
No, there isn't.
no but you will find the statue of arceus
sky stair ways all floors
you get them in missions. in surrounded sea you get manaphy, although you cant recruit him.