Off they went to find him in the forest, and there atop a tall bael tree was their friend, sitting tight.
In the second part of the sentence, what is the subject, "there" or "their friend"?
Off they went to find him in the forest, and there atop a tall bael tree was their friend, sitting tight.
In the second part of the sentence, what is the subject, "there" or "their friend"?
There atop a tall bael tree was their friend
By simply re-arranging the sentence, you can split it into subject, verb, object:
Their friend was there atop a tall bael tree
Subject: their friend is the person actually being atop the tall bael tree