Palkia can be recruited olny on the second visit so you will have to go back to where you first battled it then beat it again.Golden Mask is not needed it has a 100% Recruit rate on second visit.
no you cant get cheat for all the pokemon.
Challenger's cave
You get manaphy from Pokemon ranger, very time consuming to do.
catch....... BUT ONLY on emerald
It`s the same in Diamond,Pearl,and Platinum:FRIDAY
you cant You can but sorry i dont know the code
espeon is hipodon temple in the room by the arrows on the ground
You can't get charmander Without migrating one from your leafgreen/firered GBA game.
catch - caught
In my pants
yes you can chatch a shaymin with a cheat and supposedly others but i have tryed multiple codes for others and they did not work
put honey on a tree