Using "en" with the verb "retourner?"

Question

I have seen that the verb retourner is used with "Y

Nous y retournons demain.

We go back there tomorrow

"Il n'a pas pu retourner de la guerre.

He couldn't return from the war.

Can I say

il n'en a pas pu retourner He couldn't return from there

Does it work like that?

Accepted Answer

Hi Ozan,
The adverbial pronouns y and en are not particular to the verb retourner.
Here are the Kwiziq lessons detailing how to use them -
y:
https://french.kwiziq.com/revision/grammar/the-adverbial-pronoun-y-means-there
and
en:
https://french.kwiziq.com/revision/grammar/the-adverbial-pronoun-en-can-replace-a-phrase-introduced-by-de

Answer

Retourner à -- to go back to a place.Retourner de -- to come back from a place.
Depending what you want to say, you can replace "a place" with either y or en.