The space within the rift.
Upon returning, Li Jing looked up to see Chen Yuran, Nangong Qingshan, and Spiritual Tiger sitting together barbecuing and drinking tea, and they were not drinking Life Tree Tea, but Heaven and Earth Tree Leaf Tea.
What was the purpose of making Heaven and Earth Tree Leaf Tea?
Li Jing did not know.
However, since it was a leaf from a divine object like the Heaven and Earth Tree, it surely had some marvelous uses.
What Li Jing found a bit hard to swallow was...
Nangong Qingshan was essentially a pseudo-Heaven and Earth Tree that grew from a branch of the Heaven and Earth Tree.