Maintaining DontDestroyOnLoad method after object becomes a child to another object.

Unity Engine
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3

Ya… this… you should reload your player each scene and one easy way to do that is with additive scenes.

Keep all the persistent state ABOUT your player somewhere else.

Additive scene loading is one possible solution:

https://discussions.unity.com/t/820920/2
https://discussions.unity.com/t/820920/4

https://discussions.unity.com/t/824447/2

A multi-scene loader thingy:

My typical Scene Loader:

Other notes on additive scene loading:

https://discussions.unity.com/t/805654/2

Timing of scene loading:

https://discussions.unity.com/t/813922/2

Also, if something exists only in one scene, DO NOT MAKE A PREFAB out of it. It’s a waste of time and needlessly splits your work between two files, the prefab and the scene, leading to many possible errors and edge cases.

Two similar examples of checking if everything is ready to go:

https://discussions.unity.com/t/840487/10

https://discussions.unity.com/t/851480/4