By the time the Mortal Kombat 1 ending unfolds, it's safe to say the Lin Kuei isn't the same. The ice ninja clan initially began as Liu Kang's allies, helping protect Earthrealm for centuries. Unfortunately, the new timeline finds Bi-Han wanting more power and glory, as he selfishly breaks off and partners his crew with the Titan Shang Tsung.
Source：https://www.cbr.com/mk1-smoke-ending-explained/
