[JohnnyM]

"what was the purpose of the tree of life?"

If the tree of life was necessary for physical life, as you are implying, then why the need for the tree of life in the age to come when we will reign with God for all eternity (Rev 22:5) and there will be no death (Rev 21:4).

Rev 22:14
Blessed are those who wash their robes, that they may have the right to the tree of life and may go through the gates into the city

JM

[curiosity]

If the tree of life was necessary for physical life, as you are implying, then why the need for the tree of life in the age to come when we will reign with God for all eternity (Rev 22:5) and there will be no death (Rev 21:4).

The elect are immortal because they are granted the tree of life that was taken from Adam.

Now you answer my question. If there was no physical death before the Fall, what is the purpose of the tree of life?