Eon ticket in Pokemon Emerald is available on Bulbapedia.
The Eon Ticket is a key item in the games.It can't be obtained in-game, but it can be downloaded at a promotional event using the Eon Ticket e-Card.
The first time a player attempts to board the S.S. is after they receive the Eon Ticket from Norman and have entered the Hall of Fame.A Sailor will replace the usual guide and offer to take the player to Southern Island.
Depending on the player's choice in Pokémon Emerald, the Eon Pokémon that did not roam will appear on Southern Island.The player battles the legendary pokemon in a standard stationary encounter, it does not appear as a roaming pokemon and will not attempt to flee.
The player can't return to Southern Island after battling this Pokémon, regardless of the outcome.Regardless of the battle's outcome, the player can return to the island.
After receiving the Eon Ticket from the deliveryperson in a Pokémon Center, the player is asked to talk to Norman.If the player talks to Norman in the Petalburg Gym after obtaining the Mega Bracelet and Eon Ticket, he will be taken to the Slateport Harbor by a Sailor.
LatiasOR/LatiosAS is located at the back of the island's forest.The Eon Pokémon encountered on the first visit was not holding its Mega Stone.If the battle ends with the Pokémon not being caught, the player will find a Soul Dew on the ground and put it in their bag.
There were different distribution methods around the world.Mystery Events can be used to transfer the Eon Ticket to the games in North America.In Europe, it was possible to get the Eon Ticket at promotional events, but it could also be downloaded through Mystery Events.
A limited amount of Eon Tickets can be shared with other players via record mixing if a player received their e-card or promotional event.It is not possible to share Eon Tickets received via record mixing.There is only one way to get the Eon Ticket in Emerald.
The Eon Ticket e-Card was available for a limited time in the September 2003 issue of Nintendo Power and at the Toys "R" Us stores.This card transfers the Eon Ticket from Mystery Events to the US version of Pokémon.The Eon Ticket allows players to travel to Southern Island, which is barren, except for the chance to catch either Latios or Latias, the one opposite of the player's version except in Pokémon Emerald.The Eon Ticket can only be obtained in Emerald if you mix records with a game that already has the ticket.The ticket on the Ruby and Sapphire game can't be sent via mixing if it was obtained by itself.When it's caught, the wild Pokémon will always have a drink.This is the only place where Soul Dew can be legally obtained.Even if the ticket is still in hand, the island can't be returned even if it's left.