How can you appear the mirage tower in Pokemon emerald?

The Mirage Tower is a hidden location in Pokémon Emerald. It is a tall tower that appears in the desert and can only be accessed during certain times of day. To make the Mirage Tower appear, you must first defeat the Elite Four and become the Pokémon Champion. Then, you must go to the desert and use the Devon Scope on the strange rock formation in the center. If you do this during a specific time of day, the Mirage Tower will appear.

The Mirage Tower is a challenging dungeon that is full of powerful Pokémon. It is also home to the legendary Pokémon Jirachi. If you are able to defeat all of the trainers in the Mirage Tower, you will be rewarded with a Jirachi.

Here are the steps to make the Mirage Tower appear:

1. Defeat the Elite Four and become the Pokémon Champion.

2. Go to the desert.

3. Use the Devon Scope on the strange rock formation in the center.

4. If the Mirage Tower appears, enter it and challenge the trainers inside.

5. Defeat all of the trainers in the Mirage Tower to receive a Jirachi.