Invincibility
Follow these steps in order.
1. Choose training mode from the main menu
2. Start training in fighter mode (the option on the far right of the three choices)
3. Play through until you begin target training on two droids
4.Destroy the two droids, then immediatly quit out of Training mode to the main menu
5.Start a game in story mode or continue using any mission
Then you should be invincible.
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