Where did Tso Lan's domain located? We see no clues/hints at all. According to Jackie, each of the 8 Demon Sorcerers has his/her own domain.
Would the location of their portals have anything to do with their domains? If that is the case, I would guess the moon, or at least a place with very high altitude (so that it is close to the moon).
Maybe. Po Kong, it seems, only had Japan, so it is possible. But I can't help but wonder about remote or sparsely populated regions such as the Pacific islands or Antarctica.
While the game should by no means be considered cannon it does touch upon tso lans domain, Theres a temple on the moon carved with image of his likeness and highly technological inside
What do you think?