Wow, those would have been completely different looks for Bori Khan for sure. The actor, who has previously played Bruce Lee in 1993’s Dragon and was the voice of David is Disney’s Lilo Stitch, went into detail about how a wolf’s head was almost a centerpiece of his costume due to the character’s roots. Some other changes had to do with practicality, since the production was attempting to balance authenticity and Lee’s ability to do his stunts for Mulan.
Article source: https://www.cinemablend.com/news/2554282/mulans-jason-scott-lee-admits-the-original-looks-for-his-villain-were-outlandish