How to complete the task of mini-world returning to Milla?

Miniworld returns to Mila to complete the following tasks:

1, look for the task prompt first: in the game, you will receive a task prompt about "returning to Milla". If you don't receive it, you can look for the task NPC or task prompt in the game.

2. Secondly, prepare necessary items: according to the task prompt, you need to prepare necessary items, such as star energy keys and star energy fuel.

3. Then go to Mila: Open the door to Mila with the star energy key, and then go to Mila.

4. Then complete the mission objectives: on Mila, complete the objectives required in the mission prompt, such as defeating a monster, collecting an item and so on.

5. Finally return to Earth: After completing the mission objectives, return to Earth and submit the mission completion report to NPC mission.