If I faint Lugia, then beat Greevil can I go back to Citadel Isle to catch it again? If so, will Greevil still be there? Because what I wanna do is be able to trade to my GBA games, so I can max tempo before I catch Lugia (I need to beat Greevil first to unlock the ability to trade) and then if/when I (can) catch it will the credits roll, because I wanna check it's stats then reset when I see they suck until I get a good Lugia?