After Goldenrod city, the guard guy thats at the gate to the next route gave me his spearow to give to his friend at route 31. I can imagine other characters doing this later on in the game. But what happens if after I finish his request a friend gives me that spearow in a trade before he does that mini quest? Would I be able to do the quest again or will it mess up my game somehow or will nothing happen? Unless it's impossible to trade it. I like to collect the NPC's pokemon that you normally get from a trade in the game.
in the original games you could take the letter from the spearow and put on another pokemon and give it to him dont know if that still works --- My Platinum Friend Code: Rei: 0259-7929-8267 My Phantasy star zero FC: Yoko: 2107 0626 7157