Can I delete my character and switch datacenter for free on same account?

[Iscah]

You don't even need to delete your character. Just switch data centres at the main menu screen and create a second character there.

Even on the free trial you can have up to eight characters as long as you put them on different worlds.

Though I doubt you're actually playing on the free trial with a level 80 gunbreaker. You need to own Shadowbringers for that, and trial accounts can't post on the forum to my awareness.

If you think you're on the free trial, you're not. You've somehow bought the game without realising.